New CSS Attacks Break Webmail Defenses to Steal Passwords and Tokens
New research presented at Black Hat USA 2026 reveals that CSS and HTML techniques can break out of email message boundaries to…
Tag: Fastmail
Fastmail Fixes CSS Mutation Bugs but Remains Exposed to Hotwiring
Fastmail fixed two CSS mutation bugs and an image-proxy bypass, but CSS hotwiring and other techniques remain a concern for webmail security.
Fastmail — Cybersecurity company profile
Fastmail was identified as a relevant cybersecurity entity in recently ingested reporting. This profile is generated so related cyber news, CVEs, malware,…