Critical NetScaler Flaw Can Bypass Authentication on Certain Gateway and AAA Servers
Read More Citrix has released updates to address two security flaws impacting NetScaler ADC and NetScaler Gateway deployments, including a critical-severity authentication bypass vulnerability. According to the cloud computing and virtualization technology company,...
Attackers Exploit Zimbra SNMP Flaw for Unauthenticated Remote Code Execution
Read More A now-patched security flaw impacting Zimbra Collaboration (ZCS) has come under active exploitation in the wild, according to the Polish Computer Emergency Response Team (CERT Polska). The vulnerability in question is CVE-2026-73570 (CVSS score: 8.9), which...
Zombie Card Attack Can Revive Expired Visa Cards for Contactless Payments
Read More Researchers at the University of Massachusetts Amherst have demonstrated an attack that revives expired Visa contactless credit cards for real in-store purchases by rewriting the expiration date a point-of-sale (POS) terminal reads over near-field...