{ "slug": "zoom", "name": "Zoom", "maker": "Zoom", "category": "calls", "verdict": "o", "answer": "Only if you turn on end-to-end encryption. By default, Zoom's servers make and hold the keys to your meetings. Cloud recordings and AI summaries only work with it off, and Zoom keeps them.", "title": "Is Zoom encrypted? End-to-end meetings and recordings", "description": "Zoom holds the keys to your meetings unless you turn on end-to-end encryption, which also adds post-quantum keys. Cloud recordings stay with Zoom.", "parts": [ { "key": "call", "status": "o", "words": "Only you, once you turn it on", "note": "Meetings use keys made by Zoom's servers unless you switch on end-to-end encryption in your settings.", "sources": [ 1, 2 ], "label": "One-to-one calls" }, { "key": "people", "status": "o", "words": "Only you, once you turn it on", "note": "End-to-end encrypted meetings work for up to 1,000 people, all joining from the Zoom app.", "sources": [ 1 ], "label": "Group calls" }, { "key": "video", "status": "n", "words": "Zoom can read it", "note": "Cloud recordings, transcripts and AI summaries are processed by Zoom, and none of them work in end-to-end encrypted meetings.", "sources": [ 1, 5, 6 ], "label": "Recordings" }, { "key": "pq", "status": "o", "words": "Yes, once you turn it on", "note": "When everyone is on Zoom 6.0.10 or later, end-to-end encrypted meetings use post-quantum keys automatically.", "sources": [ 1, 3 ], "label": "Post-quantum" } ], "extra_parts": [], "keys": "Zoom's servers by default; with end-to-end encryption on, the participants' own devices make the keys.", "can_see": "Zoom's privacy statement says it collects when people join and leave meetings, which features they use, and their IP address and device details.", "business": null, "fix": { "title": "Turn on end-to-end encryption, once", "steps": [ "Sign in to the Zoom web portal, click your profile picture, then Settings.", "Select Meeting, and under Security turn on Allow use of end-to-end encryption.", "Under Default encryption type, choose End-to-end encryption, then click Save." ], "after": "Free accounts verify a phone number by text first. In these meetings, cloud recording, live transcription, AI features and joining by phone or web browser stop working, and everyone needs the Zoom app." }, "fix_line": "Turn on end-to-end encryption: Zoom web portal › Settings › Meeting › Allow use of end-to-end encryption.", "sections": [ { "id": "is-zoom-end-to-end-encrypted", "q": "Is Zoom end-to-end encrypted by default?", "a": "No. By default, Zoom uses what it calls enhanced encryption: the keys for each meeting are made and managed by Zoom's servers [1]. With end-to-end encryption on, the keys are made on the participants' own devices instead [1].\n\nYou switch it on in the Zoom web portal, and it applies to the meetings you set up with it. You can't turn it on in the middle of a meeting [2]." }, { "id": "zoom-e2ee-features", "q": "What stops working with Zoom end-to-end encryption?", "a": "Zoom's help page lists cloud recording, live transcription, Zoom's AI features, live streaming, polls, Zoom Apps, notes, the whiteboard and meeting chat before and after the meeting [1]. People also can't join by phone or from a web browser: everyone needs the Zoom desktop or mobile app [1].\n\nIn June 2025, Zoom updated its encryption white paper to let people join an end-to-end encrypted meeting before the host arrives [4]." }, { "id": "is-zoom-quantum-safe", "q": "Is Zoom quantum safe?", "a": "Only for end-to-end encrypted meetings. Since May 2024, Zoom's end-to-end encryption has used a post-quantum key exchange based on Kyber 768, the algorithm standardized as ML-KEM [3]. It's used automatically when everyone is on Zoom 6.0.10 or later; otherwise the meeting uses standard end-to-end encryption [1].\n\nIt protects against someone recording a meeting now to decrypt it later. Zoom says it isn't designed to stop attacks that would need a working quantum computer during the meeting itself [1]." }, { "id": "can-zoom-see-recordings", "q": "Can Zoom see my cloud recordings?", "a": "Yes. Cloud recordings are stored by Zoom, and they can't be made in end-to-end encrypted meetings [1]. The free plan records only to your own computer, while paid plans add cloud recording [5].\n\nThe free plan also includes AI meeting summaries for up to three meetings a month [5]. Like cloud recording, they only work with end-to-end encryption off [1]." } ], "sources": [ { "title": "Using end-to-end encryption (E2EE) in Zoom meetings", "publisher": "Zoom", "url": "https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0065408", "read": "2026-10-25" }, { "title": "Enabling end-to-end encryption (E2EE) for Zoom meetings", "publisher": "Zoom", "url": "https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0075502", "read": "2026-10-25" }, { "title": "Zoom bolsters security offering with the inclusion of post-quantum end-to-end encryption in Zoom Workplace", "publisher": "Zoom", "url": "https://news.zoom.com/post-quantum-e2ee/", "read": "2026-10-25" }, { "title": "Zoom Cryptography Whitepaper changelog", "publisher": "Zoom (GitHub)", "url": "https://github.com/zoom/zoom-e2e-whitepaper/blob/master/CHANGELOG.md", "read": "2026-10-25" }, { "title": "Zoom Workplace Pricing", "publisher": "Zoom", "url": "https://zoom.us/pricing", "read": "2026-10-25" }, { "title": "Zoom Privacy Statement", "publisher": "Zoom", "url": "https://www.zoom.com/en/trust/privacy/privacy-statement/", "read": "2026-10-25" } ], "changes": [ { "date": "2026-10-25", "text": "First published." } ], "related": [ "google-meet", "microsoft-teams", "facetime", "signal" ], "url": "https://isitencrypted.com/zoom/", "checked": "2026-10-25" }