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Comparison

MS Teams vs. Wire

Get the facts on collaboration security: from encryption standards to privacy features, find out which tool is better suited for protecting your business communication.

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product shot mobile and desktop calling tighter-1

Why Wire is the most secure platform for your team collaboration.

 
Feature Wire MS Teams
Security & Privacy
Protocol Implementation MLS TLS 1.2 and AES-256 (in GCM mode) encrypted UDP/TCP channel
End-to-End Encryption icon check green inverted Poor
Local Encryption Key Storage icon check green inverted Poor
Encryption-At-Rest icon check green inverted icon check green inverted
Post-Compromise Security icon check green inverted Poor
Perfect Forward Secrecy icon check green inverted Poor
Visible Cross-Signed Device Verification icon check green inverted Poor
Fleet Device Verification icon check green inverted Poor
Zero Knowledge icon check green inverted Partial
Zero Trust Architecture icon check green inverted Partial
Core Messaging
1:1 Messaging icon check green inverted icon check green inverted
Private Groups icon check green inverted icon check green inverted
E2EE Public and Private Channels icon check green inverted Optional
E2EE History Sharing Coming soon Poor
Screen Sharing icon check green inverted icon check green inverted
E2EE File Sharing icon check green inverted Poor
Text Formatting icon check green inverted icon check green inverted
Notification Settings icon check green inverted icon check green inverted
Account Personalization icon check green inverted icon check green inverted
Availability Status icon check green inverted icon check green inverted
Read Receipts icon check green inverted icon check green inverted
GIFs icon check green inverted icon check green inverted
Chat History Backup & Recovery icon check green inverted Poor
Cross Platform Backups Coming soon icon check green inverted
Send Audio Messages icon check green inverted Poor
Pin Conversations Poor icon check green inverted
Mark Message as New Poor icon check green inverted
Native Self-Deleting Messages icon check green inverted Poor
Conversation Reactions (Emojis) icon check green inverted icon check green inverted
Conversation Search Available in groups icon check green inverted
Global User Search (Public Cloud) icon check green inverted icon check green inverted
Archive or Organizing Conversations icon check green inverted icon check green inverted
Encrypted 1:1 Audio or Video Calling icon check green inverted Opt-in first
Encrypted Large Group Conference Calling icon check green inverted Poor
WebRTC Simulcast icon check green inverted icon check green inverted
Guest Access without Sign-Up icon check green inverted icon check green inverted
Guest Links with Passwords icon check green inverted icon check green inverted
Integration & Ecosystem
Public Cloud icon check green inverted icon check green inverted
Private Cloud icon check green inverted Poor
On-Premises icon check green inverted Poor
Customizations, SLAs available icon check green inverted icon check green inverted
Deploy Third Party Integrated Apps (Bots) icon check green inverted icon check green inverted
Federation Scale and Flexibility icon check green inverted Limited
Secure Federation icon check green inverted Poor
Management
User Roles & Permissions icon check green inverted icon check green inverted
Single Sign-On (SSO) icon check green inverted icon check green inverted
SSO Supports Complex IT Environments icon check green inverted Complicated
Automated User Management (SCIM) icon check green inverted icon check green inverted
Create Guest Rooms icon check green inverted Limited controls
App Lock icon check green inverted Poor
Add/Manage Your Devices icon check green inverted Limited controls
Restrict File Sharing icon check green inverted Limited controls
Restrict Guest Links icon check green inverted icon check green inverted
Additional Feature Configuration icon check green inverted icon check green inverted
Team and Workspace Management icon check green inverted icon check green invertedicon check green inverted

The competitive data presented on this page was collected as of June 2025, based on information available at learn.microsoft.com. This information may change or be updated without prior notice. Wire does not guarantee the completeness or accuracy of the information provided.

 

Summary

Wire vs. MS Teams, Which One Is Better?

Microsoft Teams is designed for enterprise control, but not for teams that prioritize strict security. It lacks key protections like default end-to-end encryption, leaving room for potential data exposure.

Wire takes a fundamentally different approach:

  • End-to-end encryption by default, always on, no admin override.
  • Various deployment options according to your needs: public cloud, private cloud, or on-prem.
  • Built on a zero-trust and zero-knowledge framework, even Wire cannot access your data.

If uncompromising privacy and security are core to your business, Wire offers protection where MS Teams cannot.

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ms teams-vs-wire
certified-1
Open Source. Auditable. Transparent.

Fully Open-Source Security for Verified Collaboration

Wire is one of the few secure collaboration platforms that is fully open source, from protocol to application. This means no black boxes, no hidden logic, no key escrow, and full auditability. With Wire, you get transparent, peer-reviewed cryptography plus the highest industry certifications:

  • ISO 27001
  • ISO 27701
  • FedRAMP
  • FIPS 140-2
  • NIST 800-17

Built to Meet Enterprise Demands.

MLS Protocol

Ensure secure, scalable communication for large teams with the latest IETF standard, perfect for regulated industries and high-trust environments.

E2EE by Default

Messages, files, and calls are fully E2EE by default, no setup required. Only you and your designated recipients can access the messages.

SSO & SCIM

Easily manage identities and access control at scale with seamless Single Sign-On and automated provisioning via SCIM for simplified log-in.

ID Shield

Protect your team with added layers of verification, ensuring only the right people gain access to sensitive environments.

Conferencing

Host secure voice and video calls with up to 200 participants. Every session is encrypted end-to-end and secured using MLS.

Guest Management

Invite external collaborators with custom permissions. Maintain full control while enabling secure, temporary participation in shared spaces.

Secure Federation

Collaborate across organizational boundaries with different security clearances without compromising on security and privacy.

Flexible Deployment

Deploy on your terms, whether in the private cloud, public cloud, or on-premises. Maintain compliance and retain full control over infrastructure.

Is Microsoft Teams free to use?

Microsoft Teams has a free version for home users  with basic messaging and calling features. However, for enterprises with advanced features like meeting recording, admin controls, and compliance tools are only available in paid Microsoft 365 subscriptions.

Is Microsoft Teams encrypted?

MS Teams uses encryption in transit and at rest, but not end-to-end encryption (E2EE) on chats, calls, and files.. This means MS Teams - and anyone with administrative access on their side - can technically access message contents. True zero-access architecture (like E2EE) is the gold standard for sensitive communications, especially for governments, financial services, and privacy-focused teams, and Slack does not offer that.

Is Microsoft Teams HIPAA and GDPR compliant?

Yes, Microsoft Teams supports compliance with HIPAA, GDPR, and other industry regulations when properly configured. Compliance depends on your organization’s licensing, policy setup, and use of features like Data Loss Prevention (DLP) and eDiscovery.

Is Microsoft Teams secure for confidential communication?

Teams offers strong enterprise security, but it’s not zero-knowledge. Microsoft retains the ability to access data for compliance and support. For highly sensitive or regulated use cases, Wire offer always-on end-to-end encryption with no access even for the provider.

Is Microsoft Teams better than Zoom or Slack?

It depends on your needs. Teams is best for Microsoft 365 users seeking deep integrations. Zoom excels in video conferencing, and Slack is favored for flexible team chat. For secure communication, however, Wire offers true end-to-end encryption across all channels.

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