BleepingComputer
Strong daily coverage for breaches, ransomware activity, patching, Windows ecosystem issues, and operational security news that lands quickly.
Open sourceCYBER NEWS / THREAT INTEL / DFIR SIGNAL
News Nexus one place to track cyber signal
A single page for the security sources worth checking daily: breaking cyber news, official advisories, DFIR-focused reporting, and vendor threat intelligence feeds that matter to SOC work.
$ open news-nexus --sources security
[feed] breaking news, vulnerabilities, advisories, breaches
[watch] official alerts, DFIR reporting, threat intelligence
[follow] one page, multiple signal sources, less context switching
BREAKING NEWS
Fast-moving cyber and vulnerability reporting
SecurityWeek
Broad cybersecurity reporting with good enterprise coverage across incidents, vendors, policy, vulnerabilities, and security operations.
Open sourceThe Hacker News
Fast-paced coverage of attacks, exploited vulnerabilities, malware, campaigns, and general practitioner-facing cyber news.
Open sourceOFFICIAL SOURCES
Advisories, alerts, and defensive guidance
CISA Alerts
Best place to monitor U.S. government cyber alerts, known exploited vulnerabilities, and practical defensive guidance with operational relevance.
Open CISA advisoriesMicrosoft Security Response Center
Essential for Microsoft vulnerability, patching, and ecosystem guidance when working in Defender, Sentinel, and Windows-heavy environments.
Open MSRC blogDFIR AND INVESTIGATION
Sources with strong forensic and incident response value
Krebs on Security
High-value investigative reporting with strong context around fraud, breaches, criminal ecosystems, and the human side of security failures.
Open sourceSANS Internet Storm Center
Useful for practical incident notes, diary-style observations, emerging attack trends, and DFIR-adjacent signal from working defenders.
Open sourceTHREAT INTELLIGENCE
Vendor reporting worth following
Mandiant Blog
Reliable for intrusion analysis, attacker tradecraft, incident trends, and research that helps shape SOC detection and escalation thinking.
Open sourceCrowdStrike Blog
Strong source for adversary reporting, hunting concepts, threat intel, and operational security trends that map well to endpoint defence.
Open sourceMicrosoft Security Blog
Useful for Microsoft ecosystem threat research, incident write-ups, and defender-focused security intelligence from a major enterprise platform vendor.
Open source