Russian hackers exploit Exchange OWA zero-day for long-term mailbox access

The Russian state-sponsored hacking group Laundry Bear, also known as Void Blizzard, is exploiting an Exchange Outlook Web Access vulnerability in email campaigns to deliver a sophisticated backdoor ...

Max-severity Exchange server flaw under active exploitation by Kremlin hackers

Russian state hackers are using a maximum-severity vulnerability in Microsoft’s Outlook’s Exchange Server to backdoor ...
The Hacker News

Russian Hackers Exploit Microsoft OWA Flaw to Keep Mailbox Access After Credential Rotation

Russian hackers exploit CVE-2026-42897 in OWA to deploy OWAReaper, a browser implant that persists through credential ...
Computer Weekly

Laundry Bear pivots to new exploit days after Zimbra alert

The NCSC and partners warned of a novel phishing technique being deployed against high-profile users of Zimbra's ...
HackerNoon

You Cannot Filter Your Way Out of Prompt Injection

Filters don't stop prompt injection; architecture does. A field guide to the lethal trifecta, the rule of two, Dual-LLM and ...
PC Tech Magazine

Application Security Engineer Interview: What to Study and How to Practice Secure Code Review

Application security has become one of the most important areas in modern software development. Companies no longer ...