Collaboration tools allow teams to coordinate projects, share information, respond to incidents, and make decisions. But most of these tools aren't secure.
As cyber threats increase, employees use consumer messaging apps for work, and regulations such as GDPR, NIS2, and DORA raise compliance expectations, organizations need collaboration tools that protect sensitive communications without slowing teams down.
Read this blog to learn what secure collaboration software is, core features to look for when choosing one, and a comparison of some of the most popular tools to help you choose the right one.
Or, see how Wire enables secure collaboration without sacrificing productivity.
Secure collaboration software refers to digital platforms that enable organizations to communicate, share files, collaborate externally, manage access controls, and maintain compliance, all the while ensuring that no provider, administrator, or third party can access message content.
They also protect sensitive data from cyber threats or leaks. Unlike traditional collaboration tools (Slack, Microsoft Teams, and Google Chat) that focus primarily on convenience and productivity, secure collaboration tools combine communication with security controls that protect your conversations, files, identities, and organizational data.
| Area | Traditional Collaboration Tools | Secure Collaboration Platforms |
|---|---|---|
| Encryption depth | Transport encryption (TLS) and at-rest encryption | End-to-end encryption (E2EE) across all features |
| Admin access | Admins can read stored message content | Architecture prevents any admin access to content |
| Metadata exposure | Communication patterns visible to provider | Metadata protected or obfuscated |
| Governance | Policy-based and can be overridden | Architecture-enforced and cannot be overridden |
| Sovereignty | Vendor-controlled cloud infrastructure | Self-hosted, private cloud, or air-gapped options |
| Deployment | Typically cloud-only | Public cloud, private cloud, on-premises, or air-gapped |
While comparing these two types of platforms, or even when comparing specific secure collaboration tools, you'll often come across the following terms. Here's a quick overview of what they mean:
| Term | Definition |
|---|---|
| E2EE (End-to-end encryption) | Only the sender and intended recipients can decrypt the message content. The platform provider cannot access communications. Learn how this works in our secure communication architecture overview. |
| Zero trust | A security model that assumes no user, device, or network should be trusted automatically. Every access request must be verified and authorized. |
| Zero knowledge architecture | A security architecture where the service provider has no technical ability to access customer message content, files, or encryption keys. |
| MLS (Messaging Layer Security) | An Internet Engineering Task Force (IETF) standard designed to deliver scalable E2EE for large groups while maintaining strong security guarantees and post-compromise protection. See our MLS explainer. |
| Sovereign cloud | Infrastructure that is hosted, operated, and governed within a specific legal jurisdiction to support regulatory and data sovereignty requirements. Read more on cloud sovereignty for European enterprises. |
| Federation | Secure, controlled communication that enables separate organizations or networks to collaborate while maintaining independent infrastructure and administrative control. See how Wire approaches federation. |
The most important takeaway when evaluating collaboration tools is that encryption alone does not make a platform secure. Many tools advertise encryption as a feature.
But very few provide always-on E2EE, cryptographic consistency across messaging and file sharing, enterprise governance controls, and sovereign deployment options within a single platform.
That is what separates secure collaboration software from conventional collaboration tools.
Traditional collaboration platforms fall short because most were designed primarily for ease-of-use, not for protecting sensitive communications. While many offer basic encryption, governance controls, and compliance features, those protections often depend on policies and administrative settings rather than security built directly into the platform's architecture.
One thing to pay attention to is that when a platform encrypts data in transit and at rest, it means the data is protected while moving between your device and the provider's servers, and while stored on those servers.
But the provider still holds the keys, and administrators can still access stored content. Plus, policy controls, however well-written, are not the same as architectural guarantees.
This creates three categories of risk that security and IT leaders should consider.
When approved collaboration tools are perceived as slow, difficult to use, or unavailable on personal devices, employees often find their own alternatives.
This behavior, commonly known as shadow IT, has become one of the most persistent challenges facing IT and security teams.
Employees may turn to consumer applications such as WhatsApp, Signal, Telegram, or personal email accounts because they are familiar and convenient.
As a result, organizations typically have no visibility, governance, or control over how they are being used. This means sensitive business information can move outside approved systems without audit trails, retention controls, or compliance oversight.
For instance, a legal team discussing a merger or acquisition through a consumer messaging app may have no way to retain records, enforce access controls, or demonstrate compliance if regulators request documentation later.
Compliance requirements are becoming more demanding, and organizations face increasing pressure from regulatory frameworks to maintain stronger controls around communication and data protection.
Three regulatory frameworks now apply to the vast majority of European enterprises and are becoming the basis of how organizations evaluate collaboration platforms:
Traditional collaboration platforms often require extensive configuration or additional controls to meet these requirements. Wire takes a different approach by building secure communication directly into the platform.
It covers all 10 NIS2 cybersecurity risk management categories, including incident handling, business continuity, supply chain security, access control, and secure communications.
Organizations rarely operate from a single office or location anymore. Usually, teams are distributed across headquarters, regional offices, field sites, partner organizations, and remote work environments.
As a result, business-critical communication often needs to flow securely between employees, contractors, suppliers, and frontline personnel who may be using different devices and networks.
When communication systems lack the right security and governance controls, you can struggle to maintain visibility, consistency, and trust across these interactions. Sensitive information may be shared through unmanaged channels, external collaboration can become difficult to control, and teams may resort to workarounds that increase operational complexity.
The challenge becomes even greater during a security incident or service disruption. Organizations need a trusted communication environment that allows teams to continue coordinating while affected accounts or devices are isolated and investigations are underway.
This is why many organizations now evaluate secure communication tools as part of their broader business continuity and incident response planning. The goal is to protect day-to-day communications while maintaining trusted communication channels when primary systems are unavailable.
To choose a secure collaboration tool, look for features like E2EE, zero-trust security, local key control, modern encryption standards, flexible deployment options, secure external collaboration, and enterprise governance controls. Together, these help organizations protect sensitive communications without creating friction for users or administrators. For a structured walkthrough, see our guide on how to choose a secure collaboration tool.
E2EE should be enabled by default across all texts, calls, voice messages, and video calls. It should not be treated as an optional feature or be available on only certain communication methods.
If your team has to manually activate encryption, adoption becomes inconsistent, and security gaps can emerge.
That's why look for platforms like Wire that apply E2EE across messaging, calls, meetings, file sharing, screen sharing, and also offer encrypted group conferencing for hundreds of participants.
Most traditional security models assume that users and devices operating inside a corporate network can be trusted by default.
Zero trust is based on the principle that no user, device, application, or network connection should receive implicit trust. Every request must be authenticated, authorized, and continuously validated.
A zero trust collaboration platform enables:
Zero trust has become a core feature for organizations operating across distributed users, devices, and applications.
Many collaboration platforms store encryption keys within provider-managed infrastructure. While this approach simplifies administration, it means you must trust the provider to protect those keys, since anyone with access to them may be able to access the encrypted data.
Platforms designed around zero-knowledge principles take a different approach by ensuring that encryption keys remain under the control of users and their devices.
Organizations evaluating encrypted collaboration software should look for solutions that:
Wire stores encryption keys exclusively on user devices and protects communications. Its Operator Shield prevents even Wire operators and administrators from accessing message content.
MLS is the Internet Engineering Task Force (IETF) standard that provides scalable end-to-end encryption for large groups while maintaining strong security guarantees.
MLS introduces several important benefits:
For enterprises, this means stronger protection without sacrificing performance or usability.
Wire co-founded MLS with the IETF and was the first enterprise platform to bring it into full production. Post-quantum readiness is built into the protocol design, which means Wire's encryption is designed to remain secure against quantum computing threats before they become operational.
Security teams increasingly evaluate collaboration platforms on how they respond when a device, account, or system is compromised.
A secure collaboration platform should help organizations contain incidents, maintain trusted communications, and recover without disrupting operations.
Key capabilities to look for include:
All this helps organizations continue collaborating securely while investigations are underway, reducing the operational impact of security incidents.
Wire supports this approach through MLS-based post-compromise protection, end-to-end identity verification, and out-of-band communication capabilities that help you maintain trusted communications throughout containment and recovery processes.
Sovereignty means choosing where your data lives and which legal jurisdiction governs it. Wire supports four deployment models:
You may choose any option based on your organization's requirements.
Wire is also EU-founded, German-headquartered, and hosted in the EU by default.
For organizations subject to GDPR or sector-specific data residency requirements, this removes the jurisdictional ambiguity that US-hosted platforms create.
Federation allows independently operated organizations to communicate securely while each maintains separate infrastructure and administrative control.
This feature is particularly relevant for government agencies coordinating across ministries, supply chains spanning multiple regulated entities, or legal and financial firms collaborating with external partners.
Wire's federation model includes granular access controls and full audit visibility across federated connections.
The platform also supports secure external collaboration through guest links, allowing external participants to join specific conversations without creating a Wire account. This is particularly useful for organizations that regularly exchange confidential information with clients, external counsel, consultants, auditors, and other trusted third parties.
Asymmetric history adds another layer of control. When a collaboration session ends, guests lose access to the conversation history while the host retains the complete record, helping organizations maintain confidentiality, governance, and auditability during external engagements.
Features related to security controls alone are not enough for large organizations. Platforms must also support identity management, compliance, access control, and secure user lifecycle management.
Core governance features include:
These features help you manage users at scale, support audits, and maintain compliance with internal and regulatory requirements.
When evaluating a secure communication platform, look for certifications such as ISO 27001, ISO 27701, FedRAMP, FIPS 140-2, and NIST-aligned security controls.
Wire provides all these and enables secure collaboration without compromising usability or control. Reach out to our team to learn more.
Secure collaboration software is most valuable for organizations that handle sensitive information, operate in regulated environments, or need to maintain control over how communications are accessed, shared, and stored.
While government agencies and highly regulated industries are often early adopters, the need for secure communication extends far beyond those sectors.
As cyber threats, compliance obligations, and digital sovereignty concerns continue to grow, secure collaboration platforms are becoming relevant to any organization that prioritizes safe communication.
Government agencies and defense organizations routinely exchange information that requires strict access controls, strong encryption, and clear governance policies. These environments often involve coordination across departments, agencies, contractors, and external partners.
For them, verifiable sovereignty, architectural transparency, and the ability to operate in air-gapped environments when required are crucial.
Wire has a strong presence in the public sector, including government agencies that require secure communications and sovereign deployment options.
The platform is endorsed by Germany's Federal Office for Information Security (BSI), which also uses Wire Bund as part of its own communications infrastructure.
CTA — Download VS-NfD Approval Whitepaper
For government environments with additional classification requirements, Wire Bund is a dedicated public-sector deployment designed for highly sensitive communications, providing secure collaboration for government.
Energy, utilities, transportation, and healthcare organizations depend on reliable communication to maintain safe and continuous operations.
When communication breaks down in such an industry, the consequences can extend beyond data loss to include service disruptions, safety incidents, and delays in coordinating response efforts.
Field teams need mobile-first, secure communication that works over unstable networks to coordinate operations, share incident updates, communicate safety-critical information, and maintain visibility across distributed locations.
Crisis response requires an out-of-band channel that functions independently of the primary infrastructure to ensure communication can continue during cyberattacks, outages, or other operational disruptions.
Wire's real-time E2EE location sharing, crisis communication processes, and sovereign deployment options are built directly for these requirements.
Learn more about how Wire handles crisis communication.
Senior executives and board members frequently discuss confidential information that could have significant financial, legal, or strategic consequences if exposed. This includes M&A discussions, legal strategy, HR investigations, and board-level deliberations.
In most enterprise platforms, administrators retain access to stored content, meaning a compromised admin account or a legal request to the platform provider can expose years of confidential discussion.
Wire's Operator Shield addresses this concern by ensuring that even Wire's own infrastructure operators can't access message content. Since this protection is enforced at the architectural level rather than through internal policies, organizations don't have to rely solely on administrative safeguards to protect sensitive executive communications.
Financial services organizations operating under DORA, healthcare institutions managing patient data under sector-specific frameworks, and supply chains subject to NIS2 all face the same underlying requirement: strengthen data protection and communication security.
As compliance requirements evolve, customers, partners, and regulators expect greater transparency around how sensitive information is handled.
Wire provides secure collaboration for regulated industries through encryption, access controls, auditability, identity management, and flexible deployment options.
Some of Wire's customers in this category include ExxonMobil, EY, BMW, BASF, and Air Liquide. Browse through our case studies to know more.
Frontline workers, emergency response teams, retail employees, and field operations staff need communication that works on personal devices, across unstable networks, with full IT governance behind it.
Wire supports iOS, Android, desktop, web, and F-Droid, with up to eight simultaneous devices per user and real-time E2EE location sharing for field operations.
The main use case for which enterprises adopt secure collaboration platforms is to enable people to communicate, coordinate, and share information without exposing sensitive data or creating compliance risks.
Read on to learn about some of the other use cases.
Consider this: A manufacturing organization's primary collaboration platform goes offline during a ransomware incident. Now the security team's ability to coordinate depends entirely on whether a separate, verified channel exists, one that wasn't on the compromised infrastructure.
Not only that, response teams need a recovery plan where affected devices are isolated, trusted participants are verified, and investigations are underway. Without a secure alternative, organizations often resort to personal messaging apps, phone calls, or ad hoc communication channels that create additional security and compliance risks.
Wire helps here by functioning as out-of-band crisis communication software, entirely independent of the primary platform it sits alongside.
That means E2EE group calls, real-time location sharing, and secure file handoff all remain operational even when the main environment is compromised. The platform covers all 10 NIS2 risk management categories, making it a compliance-ready crisis communication infrastructure by design.
Wire also supports organizations as they work to contain incidents and restore trusted communications during recovery efforts.
See Wire's security architecture to learn more.
Every day, organizations discuss information that could have financial, legal, operational, or reputational consequences if exposed to unauthorized parties.
For instance, legal teams may be reviewing acquisition documents, HR departments may be conducting workplace investigations, and executives may be discussing strategic initiatives before public announcements.
In these situations, organizations need confidence that conversations remain private throughout their lifecycle.
Secure collaboration tools help protect confidential internal communications by providing:
This allows teams to collaborate efficiently while reducing exposure to insider threats, unauthorized access, and accidental disclosure.
Contractors, agencies, legal partners, and government counterparts often need to collaborate across organizational boundaries without each party opening their internal systems to the other.
Secure collaboration software provides a more controlled alternative for external communication.
For instance, a legal department working with external counsel can invite authorized participants into a dedicated workspace without granting broader access to internal systems.
Wire helps here by providing guest links that allow external parties to join a specific conversation without a Wire account.
Asymmetric history enables guests to lose access to the conversation when a session closes, while the host retains the full record, maintaining a clear audit trail without requiring external parties to become full platform users.
Employees at your company may already be using WhatsApp, Signal, Telegram, or personal email accounts for work-related communication. While convenient, these tools can create governance, compliance, and visibility challenges for any organization subject to GDPR, NIS2, or sector-specific data retention requirements.
Wire offers the ease of use that makes consumer messaging apps attractive while providing always-on E2EE, Bring Your Own Device (BYOD) support, and enterprise governance controls.
Wire Drive, the integrated file collaboration layer inside Wire powered by Pydio Cells, adds secure file sharing and real-time document collaboration within the same workspace.
If you're looking to replace both communication and file collaboration tools, the combined Wire and Pydio portfolio offers secure file-sharing software that brings messaging, calling, file sharing, and document collaboration into a single platform.
The best way to evaluate secure collaboration software is to look beyond feature lists and assess how security, governance, deployment flexibility, and operational resilience are implemented in practice.
A platform may advertise encryption, compliance, or privacy features, but what matters is whether those protections are built into the architecture and can scale across your organization.
Here are some questions different stakeholders (security, IT, and architecture teams) should be able to answer before making a choice.
| CISO Questions | CIO Questions | Architect Questions |
|---|---|---|
| Is E2EE enabled by default? | What deployment options are available: cloud, private, on-premises? | Is the architecture based on open standards such as MLS? |
| Who controls encryption keys? | Does it integrate with existing identity providers and SSO? | Is zero-trust architecture native to the platform? |
| Can administrators access message content? | Is the platform scalable for thousands of users? | What are the vendor lock-in risks? |
| Is metadata protected in addition to message content? | What is the operational overhead to maintain the deployment? | How portable is the deployment across environments? |
| Does the platform support secure federation and external collaboration? | How does the platform behave during outages? | Is post-quantum readiness built into the protocol? |
| Is the platform open source and independently audited? | Does it support mobile-first use cases? | Are audit trails and logging available at the architecture level? |
| Is the product easy to use, does it provide onboarding guidance, and will it help employees stay compliant without changing how they work? | How quickly can the platform be deployed and adopted across the organization? | Will this integrate with our existing technology stack without requiring major architectural changes? |
Make sure to keep these questions in mind when comparing the right platform for your business.
Secure collaboration platforms differ in their security models, deployment approaches, and feature sets.
When comparing vendors, evaluate how encryption is implemented, what administrative controls are available, and whether security capabilities are enabled by default or require additional configuration.
Here's a quick comparison of some of the most popular tools and how Wire stands out as the best secure collaboration software.
| Feature | Wire | Slack | Teams | Element | Signal | Mattermost | Threema |
|---|---|---|---|---|---|---|---|
| E2EE by default | ✅ | ❌ | ❌ | ⚠️ | ✅ | ❌ | ⚠️ |
| MLS protocol | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
| Local key storage | ✅ | ❌ | ❌ | ⚠️ | ✅ | ❌ | ⚠️ |
| Zero trust architecture | ✅ | ❌ | ❌ | ⚠️ | ❌ | ⚠️ | ⚠️ |
| Secure federation | ✅ | ⚠️ | ⚠️ | ⚠️ | ❌ | ⚠️ | ❌ |
| SSO + SCIM | ✅ | ✅ | ✅ | ⚠️ | ❌ | ⚠️ | ❌ |
| On-prem / sovereign | ✅ | ❌ | ⚠️ | ⚠️ | ❌ | ✅ | ⚠️ |
| Open source | ✅ | ❌ | ❌ | ✅ | ✅ | ✅ | ⚠️ |
| BSI-approved | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
Data as of August 2025. Source: wire.com comparison pages and vendor documentation.
Legend:
✅ Supported by default
⚠️ Supported with limitations, configuration, or deployment dependencies
❌ Not supported
Read on to see a detailed comparison of Wire with some of the tools listed in the table.
Slack is widely adopted for its integrations, workflow capabilities, and productivity ecosystem. Many organizations use it as a central collaboration platform for team communication and day-to-day work.
But it doesn't offer default E2EE. According to Slack's own documentation, Slack administrators and Slack itself can access message content stored on the platform.
Metadata is visible to the provider, and the plugin ecosystem introduces an attack surface outside the core platform. For organizations with strict compliance or sovereignty requirements, Slack's architecture is not designed to meet them.
That's why organizations that prioritize always-on E2EE, zero-trust architecture, secure federation, sovereign deployment options, and stronger architectural controls over communication data choose Wire.
Read more: Wire vs Slack comparison
For organizations using Microsoft 365, Teams is often the default choice for communication. Its biggest strength is integration with the broader Microsoft ecosystem, allowing users to work across meetings, messaging, documents, and productivity applications within a familiar environment.
But some of its limitations include:
Given these limitations, companies choose Wire when they need E2EE enforced across all communication features by default, no admin access to message content, full deployment flexibility including on-premises and air-gapped environments, and infrastructure that isn't tied to a single cloud provider.
Check out our detailed comparison of Wire vs Microsoft Teams to see which one would suit your organization better.
Element offers true decentralization through the Matrix protocol, which makes it a strong choice for organizations that prioritize federation and open standards.
The trade-off is that flexibility often comes with complexity because running Element securely at scale requires significant internal technical expertise, which can quickly become a complicated process.
Moreover, E2EE defaults are not consistent across all configurations in Element, local encryption keys are stored in server, and governance tooling such as SSO, SCIM, and audit logging requires additional setup that Wire provides natively.
Since encryption keys ultimately determine access to encrypted data, organizations evaluating highly sensitive communications often prefer architectures where keys remain under user control rather than being managed within server infrastructure.
If you're looking for a platform that is enterprise-ready out of the box, with consistent E2EE defaults, encryption keys that remain under your control, integrated governance controls, lower operational overhead, and a deployment model that doesn't depend on deep internal technical expertise to remain secure, Wire is the right choice.
See the full Wire vs Element comparison to know more.
Signal is widely recognized for strong personal encryption and is often trusted for private messaging. However, it's not an enterprise collaboration platform.
Some of its limitations include:
Wire, on the other hand, provides SSO, SCIM, compliance support, structured collaboration, and secure communication that can scale across teams, departments, and external partners.
These capabilities make it a stronger fit for organizations that need enterprise-grade governance, user management, and secure collaboration beyond private messaging.
Find out more at: Wire vs Signal comparison
Mattermost is often considered by organizations that value open-source software, self-hosting, and flexibility. It's particularly common in DevOps and engineering-focused environments where teams have the resources and are comfortable managing their own infrastructure.
A crucial aspect to consider before making a choice is how encryption is implemented in Mattermost. E2EE encryption is available only for certain features via plugins and is not natively built into the core architecture of the platform.
You should also consider the operational overhead and user adoption.
For non-technical teams, managing plugins, maintaining configurations, and ensuring security controls remain properly implemented over time can add complexity alongside broader compliance, governance, and collaboration requirements.
Organizations planning a company-wide rollout should consider how easily employees across legal, HR, finance, operations, and frontline teams can adopt the platform without extensive training or technical support.
Wire provides:
Still confused? Learn more about Wire vs Mattermost here.
Here are some other platforms you may consider during evaluation:
As you can see, different platforms focus on different priorities. Some like Slack and Microsoft Teams provide broad collaboration ecosystems, while Signal emphasizes private messaging.
However, many organizations are looking for solutions that bring these requirements together rather than forcing a trade-off between them. Read on to see how Wire provides secure collaboration, enterprise governance, deployment flexibility, and productivity capabilities within a single platform.
Over 1,800+ enterprises have chosen Wire as their collaboration software because they want to withstand cyber threats, satisfy regulatory requirements, and support secure operations at scale. Here's how Wire ensures secure collaboration for your team:
Security in Wire is invisible to end users because the encryption happens at the infrastructure level. So your team can work without configuration requirements, security warnings, or mode-switching between protected and unprotected communications.
This also makes its adoption easier across the organization. Employees don't need specialized security training or technical expertise to use the tool. You can simply roll our platform across departments such as legal, HR, finance, operations, and frontline teams, as it's quite easy to use.
Wire also supports iOS, Android, desktop, web, and F-Droid, with up to eight simultaneous devices per user and secure external collaboration via guest links and federation.
Wire is EU-founded, EU-hosted, GDPR-native, open source, and independently audited. Organizations can deploy Wire in the cloud, private cloud, on-premises, or air-gapped environments, depending on their requirements.
The sovereign collaboration software also supports compliance and security programs through certifications and standards including ISO 27001, ISO 27701, FedRAMP, FIPS 140-2, and NIST-aligned controls.
Wire Bund, the government variant, is the only collaboration platform approved for VS-NfD, the NATO Confidential equivalent, following BSI endorsement.
Wire supports out-of-band crisis communication, helping organizations maintain trusted communication channels during security incidents and operational disruptions.
Beyond providing a communication channel that remains separate from compromised infrastructure, Wire also supports incident containment and recovery efforts. It helps security teams to isolate affected accounts and devices, verify trusted participants, and continue coordinating response activities within a trusted environment while investigations are underway.
Combined with MLS-based post-compromise protection and identity verification capabilities, this helps organizations restore trusted communications more quickly after a security incident.
The platform also provides:
Today, more than 1,800 organizations use Wire, including Schwarz Gruppe, ExxonMobil, EY, BMW, BASF, NASA, the U.S. Air Force, and Médecins Sans Frontières.
With a reported customer retention rate of 95%, our platform is trusted by leading enterprises, government agencies, and mission-critical organizations worldwide to protect their most sensitive communications.
Request a personalized demo of Wire's secure collaboration platform to see how it can help you with secure collaboration too.