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1. AI agents broke into 395 organisations, including ones their operator ruled out https://www.helpnetsecurity.com/2026/09/11/ai-agents-papercut-ng-mf-attack-campaign/

2. A nuclear agency lost reactor data to an ownCloud bug patched two years earlier https://www.darkreading.com/cyberattacks-data-breaches/old-unpatched-flaws-attackers-philippines-nuclear-agency

3. One in ten exposed AI gateways still accept the example key from the setup guide https://thehackernews.com/2026/09/nearly-1-in-10-exposed-litellm-gateways.html

4. Click rate falls when your phishing tests get easier, not when your people get better https://www.helpnetsecurity.com/2026/09/11/pistachio-employee-phishing-risk-report/

5. Microsoft ships 974 fixes, and the bottleneck moves to whoever has to test them https://krebsonsecurity.com/2026/09/microsoft-plugs-nearly-1000-security-holes/

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1. CISA Red Team Compromised Two Critical Infrastructure Orgs, One Detected Nothing https://thehackernews.com/2026/08/cisa-red-team-compromised-two-critical.html

2. CISA: Most exploited vulnerabilities should have been eradicated decades ago https://www.theregister.com/security/2026/08/28/cisa-most-exploited-vulnerabilities-should-have-been-eradicated-decades-ago/5293194

3. North Korean Fake Employees Move Into Sales, Marketing and Healthcare Roles https://www.helpnetsecurity.com/2026/08/28/north-korean-remote-workers-jobs-sales-and-marketing/

4. Unit 42 says one attacker chained 50 vulns and attack paths in 10 hours https://www.cybersecuritydive.com/news/frontier-ai-tipping-scales-cyber-adversaries/829088/

5. AI Bug Report Flood Is Cratering Bounty Prices and Triage Queues https://www.darkreading.com/vulnerabilities-threats/vulnpocalypse-repricing-bug-bounty-economy

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Stories:

Weak IAM affects up to 98% of cloud environments
https://www.helpnetsecurity.com/2026/08/14/intruder-cloud-misconfiguration-trends-report/
China-Linked Storm-1175 Debuts New StormEncryptor Ransomware via N-central Flaw
https://thehackernews.com/2026/08/china-linked-hackers-deploy-new.html
‘City-Forum’ Campaign Quietly Mines Salesforce/ServiceNow Guest Access Since March 2025
https://www.darkreading.com/cyberattacks-data-breaches/long-running-data-theft-campaign-salesforce-servicenow
LiteLLM ‘Supply Chain Attack’ Was Mostly Fallout From Trivy Compromise Days Earlier
https://www.securityweek.com/trivy-not-litellm-behind-the-2500-org-compromise/
ChainDrop Worm Spreads Through npm, Slips Past Standard Security Tooling
https://www.theregister.com/security/2026/08/15/chaindrop-worm-crawls-into-npm-supply-chain-evades-standard-defenses/5287958

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This week’s stories:

https://www.securityweek.com/npm-12-will-change-script-execution-behavior-to-prevent-supply-chain-attacks/

https://www.bleepingcomputer.com/news/security/openclaw-ai-agent-found-falling-for-phishing-attacks-spills-user-data/

https://www.cybersecuritydive.com/news/cisa-vulnerability-remediation-prioritization-directive/822504/

https://www.bleepingcomputer.com/news/security/chinese-hackers-hijack-auth-flow-spy-on-isolated-network-for-a-decade/

https://doublepulsar.com/an-update-on-fortibleed-whats-happening-with-victim-orgs-c0671a50e7f4

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Links to stories:

https://www.securityweek.com/massive-password-spray-campaign-targeting-azure-cli/

https://thehackernews.com/2026/07/2026-cybersecurity-assessment-gap.html

https://www.cybersecuritydive.com/news/klue-investigating-supply-chain-attack-salesforce-integrations/823532/

https://www.bleepingcomputer.com/news/security/over-900-oracle-e-business-instances-exposed-to-ongoing-attacks

https://www.darkreading.com/cyber-risk/third-party-breaches-teaches-education-lesson-vendor-risk

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Stories:

https://www.theregister.com/security/2026/07/07/enterprise-ai-still-smarting-from-leaping-before-looking/5267353

https://www.theregister.com/security/2026/07/07/github-ai-agent-leaks-private-repos-when-asked-nicely/5267924

https://www.bleepingcomputer.com/news/security/fake-it-support-calls-on-microsoft-teams-push-etherrat-malware/

https://databreaches.net/2026/07/04/adapthealth-says-attackers-sweet-talked-their-way-into-cloud-systems-and-stole-patient-data

https://thehackernews.com/2026/07/ai-agent-exploits-langflow-rce-to.html

https://www.helpnetsecurity.com/2026/07/21/sonicwall-sma-zero-days-exploited-cve-2026-15409-cve-2026-15410/
https://thehackernews.com/2026/07/qilin-ransomware-attackers-exploit-pan.html
https://thehackernews.com/2026/07/worlds-largest-ai-model-repository.html
https://openai.com/index/hugging-face-model-evaluation-security-incident/
https://www.darkreading.com/identity-access-management-security/identity-attacks-overtake-exploits-top-ransomware-cause
https://www.helpnetsecurity.com/2026/07/21/estee-lauder-data-breach-oracle-ebs/

Please consider supporting the DefSec podcast here.

Stories:

1. Ransomware Gangs Bypass the CEO, Target the 40-Something IT Manager
https://www.theregister.com/security/2026/08/09/ransomware-gangs-skip-the-ceo-head-straight-for-the-40-something-it-manager/5284499

2. Ransomware Attacks Spike While Industry Attention Shifts to AI
https://www.theregister.com/security/2026/08/07/ransomware-attacks-spike-as-world-distracted-by-ai/5284934

3. ChainDrop supply chain compromise: Anatomy of a self-propagating worm
https://www.microsoft.com/en-us/security/blog/2026/08/04/chaindrop-supply-chain-compromise-anatomy-self-propagating-worm/

4. AI Agent Tried to Backdoor a Real Open-Source Repo During a Security Test
https://thehackernews.com/2026/08/claude-mythos-5-tried-to-backdoor-real.html

5. Cloudflare Ditches Most Third-Party Security Tools — But Says Don’t Copy Them
https://www.theregister.com/security/2026/08/04/cloudflare-has-mostly-ditched-third-party-security-tools-suggests-not-trying-that-at-home/5282600