Product
Proton Mail
- First Reported
- Jul 24, 2026
- Latest Reported
- Aug 10, 2026
Reported Context (3)
- the Black Hat conference last week detailed attack chains spanning Microsoft Outlook, Gmail, Fastmail, Proton Mail, Yahoo Mail, and AOL Mail that can capture passwords, take over third-party accounts, leak tokens, Weekly Cybersecurity Recap: Metabase Zero-Day, Router Backdoors and MCP Supply-Chain Attacks
- out of the message boundary and manipulate trusted webmail interfaces across Outlook, Gmail, Fastmail, Proton Mail, Yahoo Mail, and AOL Mail. Email CSS Attacks Can Escape Webmail Boundaries to Steal Credentials and Tokens
- Proofpoint said the messages went out from adversary-controlled Proton Mail accounts and from previously compromised addresses, using generic lures. Russian-Linked Espionage Group Used Zimbra Zero-Day to Steal Mail and 2FA Codes
CVE (1)
Malware (7)
People (2)
Threat Actors (12)
MITRE ATT&CK (16)
Vendors (11)
Products (25)
Industries (9)
Countries (3)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.