The day's cybersecurity headlines from public sources, in one place. Search them, filter by theme or CVE, or show only vulnerabilities CISA has confirmed are being exploited. Every headline links to the original.
For my own read on what the news means for your business, see Insights.
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Apple warns users in 99 countries of mercenary spyware
Apple does not attribute attacks or the notices to specific malicious actors or geographical regions, the notification said, due to the “extreme cost, sophistication, and worldwide nature of mercenary spyware attacks [which] make them some of the most advanced digital threats in existence today.”
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Russian and Ukrainian hackers hijack emergency apps to spread fake nuclear attack warnings
A popular Ukrainian air raid alert system was hacked over the weekend, prompting a cyber group to breach a similar Russian system in retaliation.
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Hackers disrupt refrigeration systems at European supermarkets
A cyberattack on refrigeration systems has disrupted stores run by multiple supermarket chains across several European countries after hackers remotely changed temperature settings on freezers and cooling systems. [...]
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Second wave of refrigeration cyberattacks hits European supermarkets
Three weeks after the attack that turned refrigeration units in French supermarkets into ovens overnight, similar cyberattacks have hit shops in other European countries and again caused refrigerated food to be spoiled. Belgium, Luxembourg and Sweden affected “[In Belgium,] fridges and freezers…
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Agentic pen-testing tool employed in multiple espionage campaigns around the globe
Researchers have tracked the increased use of Artex and other frameworks in order to automate and speed up attack methods.
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PapRAT Cyber Espionage Campaign Leaves a 'Bitter' Taste in South Asia
Organizations in the region face growing cyberattacks from the known India-linked threat group, which leverages legitimate Windows functionality in three distinct attack chains.
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Microsoft fixes Smart App Control broken by October Windows update
Microsoft has resolved a known issue that prevented some users from activating the Smart App Control security feature after installing the October 2026 KB5127648 Windows 11 security update. [...]
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Revolve Data Breach Impacts at Least 180,000 People
Hackers accessed its online shopping platform and stole customers’ personal and payment card information.
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Google Introduces $250,000 Root-in-Cloud Bug Bounty Reward
The top payout is for high-impact architectural research demonstrating full administrative control.
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Second wave of suspected cyberattacks hits supermarket freezers across Europe
Supermarket and grocery store refrigerators across Europe appear to have been hacked early Monday — the second such incident in recent weeks where attackers have manipulated temperature controls and caused stock to spoil.
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As the White House touts its AI task force, CISA is conspicuously missing
Without the cybersecurity agency, experts said, the new group could stumble as it tries to work with critical infrastructure operators on AI security.
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Trezor warns some of its wallets may hide a seed-stealing implant
A Trezor Safe 5 sold by CryptoBilis, the reseller linked to the recent Ledger wallet drains, may contain a hidden implant that steals the owner’s recovery phrase, Trezor has warned. Trezor is a Czech company and part of SatoshiLabs Group. It has made hardware wallets since 2014, and its current…
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Over 1,000 GitLab servers vulnerable to ongoing RCE attacks
Over 1,000 Internet-exposed GitLab servers are still unpatched against a maximum-severity flaw actively exploited in remote code execution attacks. [...]
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WS Audiology (Widex, Signia) discloses IT breach, cloud and app services disrupted
Unauthorized access to parts of WSA's IT infrastructure. WSA disconnected internal and customer-facing systems and is restoring in phases. Widex Compass Cloud was back by Oct 30. The Widex MOMENT app was among the most affected, Signia TeleCare expected back early this week. Devices keep working…
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BeyondTrust Remote Support flaw (CVE-2026-102764, CVSS 9.3) draws fresh scanning
Affects Remote Support 26.2.3 and earlier. Mandiant tied zero-day exploitation in late August to ARMORY CASTLE, a suspected China-linked group. CISA added it to KEV on Oct 16. BeyondTrust patched hosted customers by Oct 9. Self-hosted customers need patch BT26-05-RS, and older builds must upgrade…
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Critical Langflow Flaws Could Let Unauthenticated Attackers Run Code on Servers
Two critical flaws in Langflow could let a remote attacker with no account bypass authentication or run arbitrary code, IBM said last week. Langflow is an open-source tool for building AI agents and workflows, and its vulnerability reports go to IBM. Every release from 1.0.0 through 1.12.8 has the…
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Chainalysis breached using “offensive agentic techniques”
Blockchain analytics firm Chainalysis has suffered a cybersecurity incident that led to a data breach. According to the company’s Friday announcement, the incident is unrelated to the recent Binance hack. What was accessed? In October, the company detected external attackers using “offensive…
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Is Your SOC Ready for AI Agents? A Maturity Check Before You Deploy
Forty percent of security teams now use AI every day, and another 56% are testing it. Only 4% have no plans to adopt it, according to Prophet Security's State of AI in Security Operations 2026 survey of more than 250 CISOs, SOC leaders and practitioners. For the teams still testing, the next…
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Malicious Claude Code Extension Served in Cursor Supply Chain Attack
The extension performed host reconnaissance and attempted to create a reverse SSH tunnel.
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Synology warns of C3RB3R ransomware attacks targeting NAS devices
Taiwanese network-attached storage (NAS) appliance maker Synology warned customers to update their devices immediately due to a surge in C3RB3r ransomware attacks. [...]
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Attackers Pose as IT Support on Microsoft Teams, Abuse AD CS to Steal Company Data
Attackers posing as IT support on Microsoft Teams talked employees into giving them remote control of their PCs. They then used insecure Active Directory Certificate Services (AD CS) settings to obtain login certificates for privileged accounts, including one for a domain controller. Microsoft…
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Government Linux Servers Targeted With SysGoRAT and Suspected AI-Generated Scripts
Cybersecurity researchers have disclosed details of a cyber espionage campaign specifically targeting Linux infrastructure associated with government entities and state-affiliated infrastructure. The activity, observed by Palo Alto Networks Unit 42 between October 2025 and April 2026, has been…
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Chainalysis Discloses Data Breach Following AI-Driven Cyberattack
The attackers used offensive agentic techniques to access the company’s systems and internal tools.
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FBI pins $6.3 billion Binance crypto heist on North Korea while scammers circle anxious users
North Korea was behind the theft of more than $6 billion in cryptocurrency from Binance, the FBI has confirmed. “The Federal Bureau of Investigation (FBI) is releasing information advising the Democratic People’s Republic of Korea (North Korea) was responsible for the theft of more than $6 billion…
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3 questions for securing AI agents
Are your AI agents leaking sensitive data? Ask these three essential questions.