Microsoft Teams
by Microsoft · Based in United States
Chat and video call app from Microsoft.
Chat and video call app from Microsoft.
Description from our earlier site, not yet checked against sources.
Works onAndroidiPhoneWindowsMacWeb browser
The short answer
Safe from hackers?Not checked yet: 0 of 6 facts checked
- Only you and the people you choose can read your data, without changing any setting.: Still checkingTech name: end-to-end encryption · What's that? · Still checking
- You can protect your account with a second login step or a passcode.: Still checkingTech name: two-factor login · What's that? · Still checking
- People who find a security hole have a public way to report it.: Still checkingTech name: disclosure policy, bug bounty · What's that? · Still checking
- No breach (data leak or break-in) in the last 5 years, or one that was handled openly.: Still checkingTech name: breach history · Still checking
- Outside experts checked its security in the last 3 years and published the results.: Still checkingTech name: independent security audit · What's that? · Still checking
- It explains in public how its protection works.: Still checkingTech name: security documentation · Still checking
Keeps your life private?Not checked yet: 0 of 7 facts checked
- It doesn't earn money from ads, tracking, search deals or selling your data.: Still checkingTech name: ad-funded business model · Still checking
- You can sign up without giving your phone number or real name.: Still checkingTech name: anonymous sign-up · Still checking
- No outside company's trackers in the app or on its website.: Still checkingTech name: third-party trackers · What's that? · Still checking
- It doesn't report how you use it, unless you allow it.: Still checkingTech name: telemetry · What's that? · Still checking
- It keeps little metadata, such as your contacts, IP address or when you use it.: Still checkingTech name: metadata · What's that? · Still checking
- It deletes your data when you ask, and says how long it keeps records.: Still checkingTech name: data retention · What's that? · Still checking
- Only you and the people you choose can read your data, without changing any setting.: Still checkingTech name: end-to-end encryption · What's that? · Still checking
Free from Big Tech?No: 1 of 4 facts checkedOwned by Big Techstill checking 3
- Not owned by Alphabet (Google), Meta, Microsoft, Apple or Amazon, or a company they control.: NoSource
- No government owns or runs it.: Still checkingStill checking
- It doesn't earn money from ads, tracking, search deals or selling your data.: Still checkingTech name: ad-funded business model · Still checking
- You can see who owns and runs it.: Still checkingStill checking
Last checked Nov 4, 2026. Security and privacy change over time. Each answer is what we found when we checked, and we check again. A "no" always shows. How we evaluate
Show all 31 facts
Two separate questions
Security and privacy are different, so we never add them into one score.
Is it secure?
Protected from outsiders: hackers, scammers and leaks.
- End-to-end encrypted by default: Not checked yet
- Strong account protection: Not checked yet
- Way to report security flaws: Not checked yet
- No recent breach, or handled openly: Not checked yet
- Independent audit: Not checked yet
- Security documentation: Not checked yet
0 of 6 answers have a source
Is it private?
What the company itself can see, keep and earn from.
- No money from ads or your data: Not checked yet
- No phone number or real name needed: Not checked yet
- No trackers: Not checked yet
- No usage data by default: Not checked yet
- Little metadata kept: Not checked yet
- Deletes your data, short logs: Not checked yet
- End-to-end encrypted by default: Not checked yet
0 of 7 answers have a source
What we know, and how we know it
Tap a question to see each answer and its source.
Who owns it?Not owned by Big Tech: NoNot controlled by a government: Not checked yetNo money from ads or your data: Not checked yetOwners are public: Not checked yet1 of 4 answers have a source
Not owned by Big Tech: No
Not owned by Alphabet, Meta, Microsoft, Apple or Amazon, or a company they control.
Source · Checked on 2026-11-04 · Checked by Claude (AI), two separate checks
Not controlled by a government: Not checked yet
Not owned or controlled by a government.
Nobody has checked this with a source yet.
No money from ads or your data: Not checked yet
No money from ads, tracking, search deals or selling data.
Nobody has checked this with a source yet.
Owners are public: Not checked yet
The owners and leaders are public.
Nobody has checked this with a source yet.
What does it collect?No phone number or real name needed: Not checked yetNo trackers: Not checked yetNo usage data by default: Not checked yetLittle metadata kept: Not checked yetDeletes your data, short logs: Not checked yet0 of 5 answers have a source
No phone number or real name needed: Not checked yet
You can sign up without a phone number or your real name.
Nobody has checked this with a source yet.
No trackers: Not checked yet
No third-party trackers in the app or on its website.
Nobody has checked this with a source yet.
No usage data by default: Not checked yet
The app doesn't send usage data (telemetry) unless you turn it on.
Nobody has checked this with a source yet.
Little metadata kept: Not checked yet
Keeps little metadata, such as your contacts, IP addresses or when you use it.
Nobody has checked this with a source yet.
Deletes your data, short logs: Not checked yet
Deletes your data when you ask, and publishes how long it keeps logs.
Nobody has checked this with a source yet.
How well does it protect you?End-to-end encrypted by default: Not checked yetStrong account protection: Not checked yetWay to report security flaws: Not checked yet0 of 3 answers have a source
End-to-end encrypted by default: Not checked yet
Only you and the people you choose can read your data, without changing any setting.
Nobody has checked this with a source yet.
Strong account protection: Not checked yet
Offers two-factor login or a passcode.
Nobody has checked this with a source yet.
Way to report security flaws: Not checked yet
Has a public disclosure policy or a bug bounty.
Nobody has checked this with a source yet.
What's its track record?No recent breach, or handled openly: Not checked yetTransparency report: Not checked yetHonest marketing: Not checked yet0 of 3 answers have a source · Does not change the tier
No recent breach, or handled openly: Not checked yet
No breach in the last 5 years, or one that was handled openly.
Nobody has checked this with a source yet.
Transparency report: Not checked yet
Publishes a transparency report or a warrant canary.
Nobody has checked this with a source yet.
Honest marketing: Not checked yet
No overblown claims such as "100% anonymous".
Nobody has checked this with a source yet.
Can anyone check it?Open code: Not checked yetReal open-source license: Not checked yetIndependent audit: Not checked yetSecurity documentation: Not checked yet0 of 4 answers have a source
Open code: Not checked yet
All the code you run is public. An official edition made only of open code (for example on F-Droid) counts, even if the Play Store edition adds closed Google code. "Partly" if every phone edition has closed parts, even when a computer edition is fully open.
Nobody has checked this with a source yet.
Real open-source license: Not checked yet
An OSI- or FSF-approved license. "Source available" doesn't count.
Nobody has checked this with a source yet.
Independent audit: Not checked yet
An independent security audit published in the last 3 years.
Nobody has checked this with a source yet.
Security documentation: Not checked yet
Publishes documentation on how its security works.
Nobody has checked this with a source yet.
Can you leave or run it yourself?Full export: Not checked yetSelf-hostable: Not checked yetNo single company can switch it off: Not checked yetOpen standards: Not checked yetSelf-hosted version keeps the main features: Not checked yet0 of 5 answers have a source
Full export: Not checked yet
You can export all your data in an open format.
Nobody has checked this with a source yet.
Self-hostable: Not checked yet
You can run it on your own computer or server.
Nobody has checked this with a source yet.
No single company can switch it off: Not checked yet
Federated or peer-to-peer, so no single company can shut it down for everyone.
Nobody has checked this with a source yet.
Open standards: Not checked yet
Uses open standards or protocols.
Nobody has checked this with a source yet.
Self-hosted version keeps the main features: Not checked yet
If you run it yourself, you keep the main features of the hosted service. Not applicable when it can't be self-hosted (F2 is "no"). Shown on the page; not used for tiers.
Nobody has checked this with a source yet.
Will it be around?Funding is public: Not checked yet3+ years old: Not checked yetRecently updated: Not checked yet0 of 3 answers have a source · Does not change the tier
Funding is public: Not checked yet
Says where its money comes from.
Nobody has checked this with a source yet.
3+ years old: Not checked yet
Has existed for 3 years or more.
Nobody has checked this with a source yet.
Recently updated: Not checked yet
Updated in the last 6 months.
Nobody has checked this with a source yet.
How easy is it?Free option: Not checked yetPhone and computer: Not checked yetQuick setup: Not checked yetUseful on your own: Not checked yet0 of 4 answers have a source · Does not change the tier
Free option: Not checked yet
Has a free option.
Nobody has checked this with a source yet.
Phone and computer: Not checked yet
Works on both phone and computer.
Nobody has checked this with a source yet.
Quick setup: Not checked yet
You can set it up in under 5 minutes.
Nobody has checked this with a source yet.
Useful on your own: Not checked yet
Useful even if your friends don't switch.
Nobody has checked this with a source yet.
Also consider
Jitsi Meet
by Jitsi Meet · United States
Privacy-friendly video calling service that can be self-hosted for more control over your data.
Jami
by Jami · Canada
Privacy-oriented video calling service designed to reduce tracking compared to mainstream options.
Element Call
by Element (New Vector) · United Kingdom
Privacy-oriented video calling service designed to reduce tracking compared to mainstream options.
Other apps from Microsoft
Using several of these puts more of your privacy in one company's hands.
Microsoft Bing
by Microsoft · United States
Search engine from Microsoft.
Microsoft Edge
by Microsoft · United States
Web browser from Microsoft.
Microsoft OneDrive
by Microsoft · United States
Cloud storage service from Microsoft.
Microsoft Outlook
by Microsoft · United States
Email and calendar app from Microsoft.
Microsoft Word
by Microsoft · United States
Word processor from Microsoft, part of Microsoft 365.