International botnet takedown, California city ransomed, Azure Monitor phishing

Cybersecurity Headlines

Law enforcement seizes botnet infrastructure

California city and LA transit agency report cybersecurity issues

Microsoft Azure Monitor alerts used for callback phishing attacks

Check out our show notes for all story links: https://cisoseries.com/cybersecurity-news-cybersecurity-news-international-botnet-takedown-california-city-ransomed-azure-monitor-phishing/

Huge thanks to our sponsor, ThreatLocker

Most breaches don't start with a zero-day — they start because something unexpected was allowed to run. One way organizations reduce risk is by shrinking the attack surface: deciding what software should be allowed to execute and blocking everything else by default. Fewer unknowns means fewer opportunities for attackers. Learn more at ThreatLocker.com

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Law enforcement seizes botnet infrastructure

California city and LA transit agency report cybersecurity issues

Microsoft Azure Monitor alerts used for callback phishing attacks

Check out our show notes for all story links: https://cisoseries.com/cybersecurity-news-cybersecurity-news-international-botnet-takedown-california-city-ransomed-azure-monitor-phishing/

Huge thanks to our sponsor, ThreatLocker

Most breaches don't start with a zero-day — they start because something unexpected was allowed to run. One way organizations reduce risk is by shrinking the attack surface: deciding what software should be allowed to execute and blocking everything else by default. Fewer unknowns means fewer opportunities for attackers. Learn more at ThreatLocker.com

2026-03-23 8 min
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