FAQ on Zoom Security Issues

By Miles Kenyon April 8, 2020 On April 3, 2020, the Citizen Lab published a report on a technical analysis of the confidentiality of communications on the popular video chat application Zoom. On April 8, we released a followup report with details of a security vulnerability in Zoom’s waiting Room feature.  Since the publication of […]


Zoom Product Updates: New Security Toolbar Icon for Hosts, Meeting ID No Longer Displayed

Zoom Product Updates: New Security Toolbar Icon for Hosts, Meeting ID No Longer DisplayedAPRIL 8, 2020 BY DEEPTHI JAYARAJAN Last night we implemented an important update to help make your meetings more private and secure. The most visible change that meeting hosts will see is an option in the Zoom meeting controls called Security. This new icon simplifies […]


Zoom Cryptography and Authentication Problems

By Steven Bellovin In my last blog post about Zoom, I noted that the company says “that critics have misunderstood how they do encryption.” New research from Citizen Lab show that not only were the critics correct, Zoom’s design shows that they’re completely ignorant about encryption. When companies roll their own crypto, I expect it to have flaws. I don’t expect those […]


Tips to Make Your Zoom Gatherings More Private

BY KAILI LAMBE | APRIL 3, 2020 | ADVOCACY Chances are you’ve received an invitation in recent days to join a virtual gathering using the Zoom platform. And as millions of people have started working, socializing and exercising on a platform originally intended as an enterprise tool, lots of questions about Zoom’s privacy and security have […]


Harden Your Zoom Settings to Protect Your Privacy and Avoid Trolls

BY GENNIE GEBHART AND RORY MIRAPRIL 2, 2020 Whether you are on Zoom because your employer or school requires it or you just downloaded it to stay in touch with friends and family, people have rushed to the video chat platform in the wake of COVID-19 stay-at-home orders—and journalists, researchers, and regulators have noticed its many security and privacy problems. Zoom has responded with a surprisingly good plan for next […]

Remote meetings Zoom

Zoom Security Update

Dear Valued Customer,We’re always striving to deliver you a secure virtual meeting environment. Starting April 5th, we’ve chosen to enable passwords on your meetings and turn on Waiting Rooms by default as additional security enhancements to protect your privacy.Meeting Passwords Enabled “On” Going forward, your previously scheduled meetings (including those scheduled via your Personal Meeting ID) will have […]

Covid-19 Zoom

Move Fast & Roll Your Own Crypto A Quick Look at the Confidentiality of Zoom Meetings

By Bill Marczak and John Scott-Railton April 3, 2020 Key Findings This report examines the encryption that protects meetings in the popular Zoom teleconference app. We find that Zoom has “rolled their own” encryption scheme, which has significant weaknesses. In addition, we identify potential areas of concern in Zoom’s infrastructure, including observing the transmission of meeting encryption keys through […]

Covid-19 Cyberattacks Zoom

War Dialing’ Tool Exposes Zoom’s Password Problems

As the Coronavirus pandemic continues to force people to work from home, countless companies are now holding daily meetings using videoconferencing services from Zoom. But without the protection of a password, there’s a decent chance your next Zoom meeting could be “Zoom bombed” — attended or disrupted by someone who doesn’t belong. And according to data […]

Covid-19 Zoom

Zoom: We’re freezing all new features to sort out security and privacy

As SpaceX bans its workers from using it, Zoom says all feature development is halted to work on security. Elon Musk’s SpaceX has banned employees from using video-conferencing app Zoom over “significant privacy and security concerns”, according to a memo seen by Reuters. In response to these concerns, Zoom has announced it is immediately freezing […]

Covid-19 Remote Office Zoom


Micah Lee, Yael GrauerMarch 31 2020, 4:00 a.m. ZOOM, THE video conferencing service whose use has spiked amid the Covid-19 pandemic, claims to implement end-to-end encryption, widely understood as the most private form of internet communication, protecting conversations from all outside parties. In fact, Zoom is using its own definition of the term, one that lets Zoom itself […]