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Cybersecurity Headlines — May 31, 2026 What Is an AI Prompt Injection Attack? The Hidden Threat Hijacking Your Chatbots — Decrypt Why did Microsoft threaten bug hunter prosecution? #tech — Alltoc.com Microsoft threatened a security researcher with criminal prosecution. The cybersecurity community is furious. — The Next Web PAN-OS GlobalProtect Authentication Bypass (CVE-2026-0257) Under Active Exploitation — Internet InfoSight’s New Dashboard Turns Fragmented Threat Data into Executive-Ready Risk Decisions — PRNewswire Show HN: Simple news aggregator with source bias meters — Unbiasthenews.com ChatGPhish Vulnerability Turns ChatGPT Web Summaries Into a Phishing Surface — Internet In Other News: Trump Mobile Data Breach, FIFA World Cup Phishing, CISA Responds to Supply Chain Attacks — Securityweek.com First month of Mythos Preview testing exposes 10K flaws — Techtarget.com Girls Who Code CEO: 70% of teen girls want to work in cybersecurity. We’re losing them before they start — Fortune From the Trenches As a cybersecurity practitioner, I’ve been keeping an eye on the latest developments in our field, and today’s headlines are particularly concerning. ...

Cybersecurity Headlines — May 30, 2026 First month of Mythos Preview testing exposes 10K flaws — Techtarget.com Girls Who Code CEO: 70% of teen girls want to work in cybersecurity. We’re losing them before they start — Fortune New infostealer reaches enterprise devices through FortiClient EMS vulnerability — Help Net Security 63SATS Cybertech gearing up for DPDP compliance services — BusinessLine OrsiniAssets’ Commitment to Financial Security and Compliance — GlobeNewswire Closing the security blind spots that are a prime entry point for attacks — TechRadar Microsoft Threatens Researcher Over Bug Reports, Triggers Cybersecurity Uproar — PCMag.com Less panic patching, more precision — Talosintelligence.com Claude Opus 4.8 is now available on AWS — Amazon.com Critical Gogs RCE Vulnerability Lets Any Authenticated User Execute Arbitrary Code — Internet From the Trenches The first month of Mythos Preview testing has exposed 10K flaws, which is a staggering number that highlights the importance of thorough vulnerability assessments. As a cybersecurity practitioner, I’ve seen firsthand how even small vulnerabilities can be exploited to gain access to systems and data. This finding serves as a reminder that no system is completely secure, and ongoing testing and assessment are crucial to staying ahead of potential threats. ...

Cybersecurity Headlines — May 29, 2026 Windows Netlogon RCE exploited, domain controllers at risk (CVE-2026-41089) — Help Net Security Taiwan and Poland on the Frontline of Hybrid Conflict — The Diplomat Synergy Quantum Launches SynQ MythGuard, an AI-Powered MythosBreaker Tool for Complete Discovery and Protection Against Mythos Attacks — BusinessLine WP Maps Pro plugin flaw to create admin accounts on WordPress sites saw 3,600 attempts in a single day — TechRadar Residual-guided hybrid framework for adversarially robust deep learning-based network intrusion detection — Plos.org ⚡ Weekly Recap: New Linux Flaw, PAN-OS Exploit, AI-Powered Attacks, OAuth Phishing and More — Internet The Green Grid’s Hidden Backdoor: Who Controls Europe’s Clean Energy? — Forbes AI agents help Cato slash ‘time-to-protect’ from new CVEs — ComputerWeekly.com Zero-Click pretalx XSS Flaw Lets Hackers Hijack Conference Organizer Accounts — HackRead Critical Windows Netlogon RCE flaw now exploited in attacks — BleepingComputer From the Trenches As a cybersecurity practitioner, I’m seeing two stories that are making me sit up and take notice - Windows Netlogon RCE exploited, domain controllers at risk (CVE-2026-41089) (Help Net Security) and Zero-Click pretalx XSS Flaw Lets Hackers Hijack Conference Organizer Accounts (HackRead). ...

Cybersecurity Headlines — May 28, 2026 Windows Netlogon RCE exploited, domain controllers at risk (CVE-2026-41089) — Help Net Security Taiwan and Poland on the Frontline of Hybrid Conflict — The Diplomat Synergy Quantum Launches SynQ MythGuard, an AI-Powered MythosBreaker Tool for Complete Discovery and Protection Against Mythos Attacks — BusinessLine WP Maps Pro plugin flaw to create admin accounts on WordPress sites saw 3,600 attempts in a single day — TechRadar Residual-guided hybrid framework for adversarially robust deep learning-based network intrusion detection — Plos.org ⚡ Weekly Recap: New Linux Flaw, PAN-OS Exploit, AI-Powered Attacks, OAuth Phishing and More — Internet The Green Grid’s Hidden Backdoor: Who Controls Europe’s Clean Energy? — Forbes AI agents help Cato slash ‘time-to-protect’ from new CVEs — ComputerWeekly.com Zero-Click pretalx XSS Flaw Lets Hackers Hijack Conference Organizer Accounts — HackRead Critical Windows Netlogon RCE flaw now exploited in attacks — BleepingComputer From the Trenches The latest round of vulnerabilities has left many organizations scrambling to patch up their systems before they become targets for malicious actors. One of the most critical threats I’m seeing right now is the Windows Netlogon RCE (Remote Code Execution) exploit, which was recently disclosed by Help Net Security (CVE-2026-41089). This flaw allows attackers to gain control over domain controllers, essentially giving them a foothold in the network and making it extremely difficult for defenders to contain the breach. As a cybersecurity practitioner, I’ve seen firsthand how quickly this type of exploit can spread, so it’s essential that organizations act swiftly to patch their systems. ...

Cybersecurity Headlines — May 27, 2026 Ethical hacker, CBSE lock horns over board exam portal vulnerability — BusinessLine Ethical hacker, CBSE lock horns over board exam portal vulnerability — BusinessLine The Gap Between Cybersecurity Training Investment and Actual Team Performance — Offsec.com Anthropic: Claude Mythos identified 10,000+ software flaws — Help Net Security EXPOSURE 2026 prepares cybersecurity professionals for the AI era — Tenable.com Conifers rolls out AI-powered SOC for unified security operations and automated response — Help Net Security Ghost CMS flaw hijacked to target hundreds of websites with ClickFix attacks — here’s how to stay safe — TechRadar ABB Ability Camera Connect — Cisa.gov Security platformization vs. best-of-breed: Risks and benefits — Techtarget.com BNP Paribas works with Mistral on a European answer to Anthropic’s Mythos — The Next Web From the Trenches As a cybersecurity practitioner, I’m always on the lookout for vulnerabilities that could be exploited by malicious actors. The recent controversy between an ethical hacker and CBSE over the board exam portal vulnerability is a stark reminder of the importance of testing and securing critical systems. ...

Cybersecurity Headlines — May 26, 2026 A 5-Step SOC Guide That Meets RBI Expectations and Strengthens Security Operations — Dzone.com Debt, War and the Unseen Fate of Nation States — Globalresearch.ca ⚡ Weekly Recap: Linux Flaws, Defender 0-Days, Router Botnets, and Supply Chain Chaos — Internet 2026 HIPAA Security Rule Update — Medcurity.com Ghost CMS Vulnerability Exploited to Hack Over 700 Websites — Securityweek.com Who is TeamPCP, the rising hacker group targeting open-source software and AI tools? — The Indian Express Most ransomware attacks are opportunistic. Here’s how you can stop attackers — TechRadar Google blocked the first known AI-powered attack on 2FA accounts; here is how hackers tried to break in, know how to stay safe — The Times of India Lessons for organizations from the Verizon 2026 Data Breach Investigations Report — Help Net Security The AI security gap nobody wants to admit is already here — The Next Web From the Trenches As a cybersecurity practitioner, I’m always on the lookout for vulnerabilities that could be exploited by attackers. The latest Ghost CMS vulnerability, which was exploited to hack over 700 websites, is a stark reminder of how quickly security can be breached. According to Securityweek.com, this vulnerability highlights the need for organizations to keep their software up-to-date and patched. ...

Cybersecurity Headlines — May 25, 2026 (喝抗紊ф┨ / note, 4/26) Canada Bill C- … — Ryukoku.ac.jp Ghost CMS SQL injection flaw exploited in large-scale ClickFix campaign — BleepingComputer Week in review: GitHub breached via poisoned VS Code extension, critical NGINX flaw exploited — Help Net Security Anthropic’s Claude Mythos found 10,000 critical vulnerabilities in one month. The patches can’t keep up. — The Next Web Claude Mythos AI Finds 10,000 High-Severity Flaws in Widely Used Software — Internet Tech bills of the week: Mitigating risks to critical infrastructure; incentivizing domestic high-tech manufacturing; and more — Nextgov Project Glasswing: An Initial Update — Anthropic.com Microsoft confirms two major Defender security issues — so update now or face possible attack — TechRadar Verizon 2026 DBIR: 6 key takeaways for CISOs — Techtarget.com Cisco’s Risk-Based Vulnerability Disclosure in the Age of AI — Cisco.com From the Trenches I’ve been keeping an eye on some concerning developments in the cybersecurity world, and it’s clear that our work is far from over. The recent Ghost CMS SQL injection flaw exploited in a large-scale ClickFix campaign is a stark reminder of how quickly vulnerabilities can be discovered and leveraged by attackers. ...

Cybersecurity Headlines — May 24, 2026 Claude Mythos AI Finds 10,000 High-Severity Flaws in Widely Used Software — Internet Tech bills of the week: Mitigating risks to critical infrastructure; incentivizing domestic high-tech manufacturing; and more — Nextgov Project Glasswing: An Initial Update — Anthropic.com Microsoft confirms two major Defender security issues — so update now or face possible attack — TechRadar Verizon 2026 DBIR: 6 key takeaways for CISOs — Techtarget.com Cisco’s Risk-Based Vulnerability Disclosure in the Age of AI — Cisco.com Microsoft Security success stories: How St. Luke’s and ManpowerGroup are securing AI foundations — Microsoft.com Cyberattacks in supply chains: A multi-case study — Plos.org Trend Micro warns of Apex One zero-day exploited in the wild — BleepingComputer EU makes little progress in talks with Anthropic on Mythos testing — Crypto Briefing From the Trenches As a cybersecurity practitioner, I’ve been following some concerning developments in the world of software vulnerabilities. Claude Mythos AI has recently discovered 10,000 high-severity flaws in widely used software, which is alarming to say the least. This highlights the need for developers and organizations to prioritize vulnerability testing and patch management. The fact that these issues were overlooked raises questions about the effectiveness of current testing methodologies. ...

Cybersecurity Headlines — May 23, 2026 Cyberattacks in supply chains: A multi-case study — Plos.org Trend Micro warns of Apex One zero-day exploited in the wild — BleepingComputer EU makes little progress in talks with Anthropic on Mythos testing — Crypto Briefing Cycurion Acquires Secuvant, Supercharging AI-Driven Cybersecurity with Automated, Scalable Threat Defense – Perfectly Complements HavenX Platform — Financial Post Cycurion Acquires Secuvant, Supercharging AI-Driven Cybersecurity with Automated, Scalable Threat Defense – Perfectly Complements HavenX Platform — GlobeNewswire How fast can AI-written code be exploited? #tech — Alltoc.com Ubiquiti patches three max severity UniFi OS vulnerabilities — BleepingComputer TechD Cybersecurity Launches TECHD ONE: AI-Native Unified Cybersecurity Platform — BusinessLine Why account recovery is now the weakest link in security — TechRadar CISA’s new KEV nomination form opens reporting to vendors and researchers — Help Net Security From the Trenches As a cybersecurity practitioner, I’m always on the lookout for stories that highlight the latest threats and vulnerabilities. Two recent headlines caught my attention - Ubiquiti patches three max severity UniFi OS vulnerabilities (BleepingComputer) and CISA’s new KEV nomination form opens reporting to vendors and researchers (Help Net Security). ...

Cybersecurity Headlines — May 22, 2026 Darktrace Named a Leader in the 2026 Gartner® Magic Quadrant™ for Network Detection and Response for Second Consecutive Year — GlobeNewswire Vectra AI Named a Leader in the 2026 Gartner® Magic Quadrant™ for Network Detection and Response — PRNewswire OpenSSF Notes Quarter of Growth with New Members, Added AI Security Resources, and Growing Community — PRNewswire Defending Critical Infrastructure: Why OT Security Demands a Threat-Informed Approach — Fortinet.com AI impact makes vulnerability exploitation top cause of data breaches – Verizon — TelecomTV GreenboneOS: Attackers are increasingly shifting from stolen credentials to exploited vulnerabilities — Greenbone.net APT and financial attacks on industrial organizations in Q1 2026 — Kaspersky.com Microsoft Warns of Two Actively Exploited Defender Vulnerabilities — Internet AI-driven cyber discovery signals a new era of systemic risk for banks — TechRadar Microsoft warns of new Defender zero-days exploited in attacks — BleepingComputer From the Trenches As a cybersecurity practitioner, I’m seeing a clear trend emerging in the latest threat landscape. On one hand, we’ve got vendors like Darktrace and Vectra AI being named leaders in the 2026 Gartner Magic Quadrant for Network Detection and Response. This is a significant recognition of their capabilities in detecting and responding to network-based threats. ...