Fable 5.1 released, USPS "untested" IT, Exchange hijack vulnerability

Defense in DepthSeptember 2, 2026Threat Intel Vulnerabilities AI

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Anthropic announces safety changes and new models USPS installs "untested" IT systems for mail-in ballots Thousands of Exchange servers vulnerable to hijacks Get the full show notes here: https://cisoseries.com/cybersecurity-news-fable-5-1-released-usps-untested-it-exchange-hijack-vulnerability/ Huge thanks to our episode sponsor, KnowBe4 Your employees have always been the target, but the threats they face are evolving. AI empowers cybercriminals to clone a coworker's voice, fake a video call with your CEO, or personalize a phishing email using details scraped from your own website.

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AttackPhishingMessages that impersonate someone trusted to get people to click, log in or pay.

Fable 5.1 released, USPS "untested" IT, Exchange hijack vulnerability

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