This cybersecurity brief for December 25, 2025, covers a volatile period marked by significant industry consolidation and escalating cyber threats. The lead story is ServiceNow's landmark $7.75 billion acquisition of Armis, signaling a major push towards AI-driven security platforms. In tandem, pro-Russian hacktivists launched a disruptive DDoS attack against France's postal service, crippling operations before Christmas. Regulatory actions saw the SEC charge seven firms in a $14 million AI-themed crypto scam that used deepfakes. Other major incidents include a supply chain breach at Nissan exposing 21,000 customers via a compromised Red Hat server, and a significant healthcare data breach originating from subcontractor TriZetto with a year-long dwell time. Reports also highlight a surge in AI-powered phishing targeting holiday shoppers and ICS systems in East Asia.
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