Security Bulletin
21 Jul 2026
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ISC Stormcast For Tuesday, July 21st, 2026 https://isc.sans.edu/podcastdetail/10016, (Tue, Jul 21st)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
20 Jul 2026
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Bridging the divide: The convergence of AI and infosec
AI development and cybersecurity are on a collision course. Here's why the inevitable crash could be better for both.
20 Jul 2026
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'WP2Shell' Opens Millions of WordPress Sites to Remote Takeover
Barely three days after disclosure, attackers are widely chaining together CVE-2026-60137 and CVE-2026-63030 to lob exploit attempts against one of the largest attack surfaces on the Internet.
20 Jul 2026
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Guide helps organizations evaluate AI in security operations centers
The guide, developed by Prophet Security in collaboration with former Gartner analysts, addresses the high failure rate of enterprise AI projects in production, estimated between 80% and 95%.
20 Jul 2026
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LG monitors criticized for silently installing McAfee ads via Windows Update
The LG Monitor App Installer, identified by YouTube channel Gamers Nexus, installs automatically when a compatible LG monitor is connected to a Windows PC.
20 Jul 2026
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Hugging Face uses GLM 5.2 to investigate AI agent-driven cyberattack
Hugging Face turned to an open-weight model after being restricted by frontier model guardrails.
20 Jul 2026
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South Korea proposes new rules for seizing self-custody crypto wallets
South Korea's proposed legislation seeks to amend the Criminal Procedure Act to accommodate the seizure of digital assets held in self-custody wallets, such as hardware wallets.
20 Jul 2026
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HollowGraph malware uses Microsoft 365 calendar for command and control
HollowGraph, believed to be part of the Cavern command-and-control framework, targets organizations in Israel for espionage purposes.
20 Jul 2026
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Ecopetrol confirms ransomware attempt, data stolen from 3,300 accounts
The incident involved an unidentified threat actor accessing Ecopetrol's IT infrastructure and exfiltrating pseudonymous data from 3,300 user accounts.
20 Jul 2026
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Craneware confirms customer and employee data exposed in security incident
The breach, which occurred on July 20, saw a significant volume of file names viewed and exfiltrated by unauthorized individuals.
20 Jul 2026
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F5 fixes critical nginx vulnerability CVE-2026-42533
The vulnerability, with a CVSS score of 9.2, allows an unauthenticated attacker to trigger a heap buffer overflow by sending specially crafted HTTP requests.
20 Jul 2026
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Remediating Vulnerabilities With LLMs: Inside Ivanti's Automation Push
Ivanti CSO Daniel Spicer says frontier models have shown surprising effectiveness in early stages; but cost and human-in-the-loop viability remain open questions.
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