If you are using Teams’ Guest Access feature, you’re opening a security hole as bad actors can bypass any and all Teams security measures

Threat actors are exploiting a recently patched 7-Zip vulnerability that leads to remote code execution (RCE), NHS England warns.

The bug, tracked as CVE-2025-11001 (CVSS score of 7.0), is described as a file parsing directory traversal issue, and requires user interaction for successful exploitation.

A handy infographic design

Ethereum's co-founder, Vitalik Buterin, faced a security breach on his X (previously known as Twitter) profile, leading to an alleged theft of over $691,000. The compromised link, which falsely advertised a complimentary NFT, was the medium of this scam.