Click rate misses the real email security risk: what attackers can do after they access a mailbox. Material Security explains ...

A new Outlook (Classic) update is preventing Windows users from opening encrypted emails. Microsoft confirms the bug and ...

A new Microsoft-issued software patch for Outlook (Classic) on Windows 11 inadvertently broke encrypted email support - ...

Microsoft is looking into a newly identified issue in classic Outlook that prevents users from opening certain encrypted ...

The problem happens for users who encrypt the email using the settings under the email File dialog (File > Encrypt), ...

Microsoft has confirmed a known issue that prevents recipients from opening encrypted emails in classic Outlook.

Attackers exploit misconfigured email routing and weak spoof protections to send internal-looking phishing emails for ...

Threat actors are exploiting complex routing scenarios and misconfigured spoof protections to send spoofed phishing emails, ...

Microsoft will enable Teams messaging security by default in January 2026, blocking risky files and malicious links to ...

Example of a PDF attachment with a QR code. Malicious QR codes commonly appear in mass phishing campaigns as well as targeted ...

Abstract: In recent years, the rapid migration of individual and organizational communications to cloud environments has amplified the need for robust data confidentiality and secure access mechanisms ...

The unpatched flaw affects AsyncOS-based Secure Email appliances, with Cisco investigating scope and urging rebuilds in confirmed compromise cases. Cisco has warned that a China-linked hacking group ...