Zoom Meetings Archives

Cybersecurity experts have revealed the specifics of a coordinated spear-phishing campaign called PhantomCaptcha that aims to distribute a remote access trojan that leverages a WebSocket for command-and-control (C2) to organizations involved in Ukraine's war relief efforts. According to a new report released today by SentinelOne, the October 8, 2025, activity targeted individual members of the Norwegian Refugee Council, the United Nations Children's Fund (UNICEF) Ukraine office, the International Red Cross, the Council of Europe's Register of Damage for Ukraine, and Ukrainian regional government administrations in the Donetsk, Dnipropetrovsk, Poltava, and Mikolaevsk regions. It has been discovered that the phishing emails pose as the Ukrainian President's Office. They contain a boob...

Zoom, a well-known provider of business services, announced that post-quantum end-to-end encryption (E2EE) is now available for Zoom Meetings. Support for Zoom Phone and Zoom Rooms will follow shortly. The company released a statement saying that the necessity to protect user data grows along with the sophistication of adversarial attacks. We are stepping up security with the release of post-quantum E2EE and giving users access to cutting-edge tools to better safeguard their data. Kyber-768, which seeks to achieve security roughly similar to AES-192, is used in Zoom's post-quantum E2EE. In July 2022, Kyber was selected as the quantum-resistant cryptographic algorithm for general encryption by the National Institute of Standards and Technology (NIST) of the U.S. Department of Commerc...

Tag: Zoom Meetings

Ukraine Aid Groups Targeted Through Fake Zoom Meetings and Weaponized PDF Files

Zoom Adopts NIST-Approved Post-Quantum End-to-End Encryption for Meetings