Topic: dwell time
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Noisy Ransomware Uncovered a Long-Term Espionage Operation
A ransomware group's disruptive attack on two Russian companies inadvertently exposed a long-running, sophisticated cyber espionage operation, highlighting how a visible breach can mask a more insidious threat. The espionage group, QuietCrabs, used a stealthy multi-stage attack with unique malwar...
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Substack Confirms Data Breach Exposing User Information
Substack experienced a security breach where an unauthorized party accessed limited user data, including email addresses and phone numbers, in October 2025, but the company only detected and disclosed it in February. The company confirmed that no financial information or passwords were compromise...
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