Firewall

Siemens Patches Firewall Flaw That Put Operations at Risk

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The industrial company on Tuesday released mitigations for eight vulnerabilities overall. Siemens AG on Tuesday issued a slew of fixes addressing eight vulnerabilities spanning its industrial product lines. The most serious of the patched flaws include a cross-site scripting vulnerability Read More …

X.509 metadata can carry information through the firewall

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A security researcher, who last year demonstrated that X.509 certificate exchanges could carry malicious traffic, has now published his proof-of-concept code. Fidelis Cybersecurity’s Jason Reaves has disclosed a covert channel that uses fields in X.509 extensions to sneak data out Read More …