Barracuda warns of Microsoft phishing & malware rise

Barracuda's June 2026 report identifies a surge in sophisticated phishing attacks that leverage legitimate Microsoft login pages and calendar invites. These campaigns aim to steal session tokens and credentials by bypassing traditional email security filters.
Why it matters
As attackers move toward using trusted domains and fileless malware, organizations must update their cybersecurity defenses to protect against increasingly deceptive social engineering tactics.
Barracuda has published its June 2026 Email Threat Radar, which identifies a rise in phishing attacks that use genuine Microsoft login pages, PDF attachments and malware delivery techniques.
The article reports on cybersecurity research findings in a straightforward, objective manner.
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