Security news
The latest breaches, vulnerabilities, and threat research from trusted security news sources — refreshed throughout the day, with links to the original reporting.
[Virtual Event] Cybersecurity Outlook 2027
Ransomware recovery CEO charged over secret ransom payments
The owner of ransomware remediation company MonsterCloud has been charged with allegedly defrauding ransomware victims by secretly paying their attackers for decryptors while claiming to use proprietary technology to recover encrypted data. [...]
Australian Gov't Weighs Mandatory AI Incident Reporting
In the wake of an agentic attack against its own Medicare systems, Australia's government is feeling out what regulations might look like for frontier AI companies.
FBI: Ongoing FortiBleed attacks lock out FortiGate VPN admins
The FBI is warning that FortiBleed attacks are still ongoing, targeting exposed Fortinet FortiGate firewalls and SSL VPN gateways and locking out legitimate administrators. [...]
Citizen Lab Slams Trump Administration, 'Techno-Fascist' Executives
The Citizen Lab's Ron Deibert warns the US government is pushing for pervasive surveillance and says certain technology executives are all too happy to help.
Anthropic Gives Vetted Defenders Fewer Claude Guardrails
Anthropic has merged Project Glasswing into a tiered access program for its advanced cyber LLMs, including Opus, Sonnet, and Mythos.
Hackers hijack Google domains after breaching ccTLD registries
Hackers obtained unauthorized HTTPS certificates for several Google domains and hijacked domains in the country-code top-level domains (ccTLDs) for Ghana, American Samoa, and Sierra Leone after compromising third-party operators and modifying authoritative DNS records. [...]
OpenAI Agent Escape Causes Wikimedia Service Outage
Autonomous agents also tried to abuse other websites and services hosted by the foundation, using them as proxies for unauthorized activities.
Attackers Hijack .gh, .sl, and .as Registries to Obtain Certificates for Google Domains
Attackers compromised three country-code top-level domains (ccTLDs) and obtained unauthorized HTTPS certificates for several Google domains, Google said on October 6. Google's own systems were not breached, but any domain ending in .gh (Ghana), .sl (Sierra Leone) or .as…
Eight Malicious npm Packages Downloaded 40,767 Times Deliver Overlord RAT and Stealer
Cybersecurity researchers have disclosed details of a long-running npm supply chain malware campaign that pushes information stealers and remote access trojans (RAT) to compromised hosts. The campaign has been codenamed MALFEX by CloudSEK and Checkmarx. The activity is assessed…
SonicWall Patches CVSS 10.0 Pre-Authentication SSRF Flaw in SMA1000 Appliances
SonicWall has released hotfixes for four flaws in its SMA1000 appliances, the gateways that give remote workers access to a company's network and applications. The most serious could allow an attacker without a login to send requests through the appliance and reach internal…
Microsoft Outlook to block MSIX attachments starting November
Microsoft announced that it will add .msix and .msixbundle attachments to the list of blocked attachments in Outlook Web and the new Outlook Windows client starting next month. [...]
Unpatched Critical LMCache Flaw Lets Unauthenticated Attackers Run Code Remotely
A critical vulnerability in LMCache, open-source software that speeds up large language model (LLM) servers such as vLLM, lets an attacker run code on the cache server without logging in, and no fixed version is available. The flaw is in LMCache's multiprocess mode, where…
PoeLLM Malware Infects 3,400+ Servers to Expand Crypto Mining Botnet
Cybersecurity researchers are calling attention to a new malware family that has been observed targeting exposed artificial intelligence (AI) and large language model (LLM) infrastructure with an aim to deploy cryptocurrency miners and further expand the scale of the botnet. The…
PoeLLM malware infects exposed AI servers in cryptomining attacks
A cryptomining campaign targeting exposed AI services is using PoeLLM malware to turn compromised servers into scanners and exploit launchpads. [...]
Ransomware has a new target. Is your backup ready?
Ransomware groups are increasingly targeting backup infrastructure to eliminate recovery options and increase pressure on victims to pay. Kaseya explains why organizations need isolated, immutable, and regularly tested backups that attackers cannot easily reach. [...]
ShinyHunters Extorted Boeing Spin-off Prior to Arrests
A teenager from Amman, Jordan suspected of leading the prolific data theft and extortion group ShinyHunters has been detained and is reportedly cooperating with the FBI to identify other members of the hacking gang. KrebsOnSecurity has learned that the suspect, who uses the…
Hackers exploit critical Atlassian flaw after public PoC release
A critical vulnerability (CVE-2026-21589) affecting multiple Atlassian product families, including Jira, Confluence, and Bitbucket, is being exploited in attacks that do not require authentication. [...]
The Sixth Voice of the CISO Data Shows Cyber Risk Has Moved Inside the Workflow
The 2026 findings are not just a year-over-year shift. They mark the latest point in a five-year arc where resilience, AI governance, human risk, and board scrutiny are converging inside the systems where work actually happens. For years, the enterprise cybersecurity story has…
FBI Warns FortiBleed Remains Active After Amassing 86,644 Fortinet Device Credentials
The U.S. Federal Bureau of Investigation (FBI) and Secret Service (USSS) on Tuesday warned that the FortiBleed credential harvesting campaign remains an active threat aimed at internet-facing Fortinet FortiGate firewalls and secure socket layer (SSL) virtual private network…
Atlassian Data Center Flaw Draws Exploitation Attempts Within Two Hours of Public Details
Threat actors have begun to exploit a newly disclosed critical security flaw impacting Atlassian Data Center products that could allow access to sensitive files under certain conditions. The arbitrary file access flaw, tracked as CVE-2026-21589 (CVSS score: 9.3) affects multiple…
What Is Agentic Pentesting? What It Proves, and Where It Stops.
If you’re evaluating an agentic pentesting solution right now, you’ve probably heard the same pitch more than once: point it at a target, and it discovers, validates, and exploits attack paths autonomously, the way a real attacker would. That promise is worth taking seriously.…
SonicWall warns of max severity SSRF flaw in SMA1000 gateways
SonicWall has released hotfixes to address a maximum-severity server-side request forgery (SSRF) flaw in SMA1000 series appliances. [...]
Musician sent to prison for $10 million streaming fraud using AI bots
A North Carolina musician was sentenced to 18 months in prison for collecting more than $10 million in royalties from Spotify, Apple Music, Amazon Music, and YouTube Music in a massive streaming royalty fraud scheme. [...]
Advantest confirms personal information stolen in ransomware attack
Advantest Corporation is notifying affected individuals that a ransomware attack earlier this year exposed their personally identifiable data. [...]
Anthropic Expands Claude Access for Vetted Cyber Teams as Glasswing Finds 129,000 Flaws
Anthropic on Tuesday said it's expanding a program that allows vetted cybersecurity professionals to test its advanced artificial intelligence (AI) models with reduced safeguards and blocking classifiers, as the company claimed its Project Glasswing initiative uncovered at least…
100+ Compromised Websites Use Fake Cloudflare Checks to Deliver LunexStealer
The Computer Emergency Response Team of Ukraine (CERT-UA) has identified more than 100 compromised websites that have been injected with malicious JavaScript to serve an information-stealing malware called LunexStealer (aka Psychedelic Stealer). The activity, which was observed…
Ninja Forms plugin flaw exploited to hack WordPress sites
Hackers are exploiting stored cross-site scripting (XSS) vulnerabilities in two unrelated WordPress plugins, Ninja Forms and WPC Product Bundles for WooCommerce, to install backdoors and create rogue admin accounts. [...]
ClickFix Attacks Evolve to Better Hide Malicious Payloads
Threat actors are now hiding payloads by using DNS TXT records and browser cache pre-fetching, making it tougher to spot early attack stages.
Critical Healthcare Systems Aren't Quantum-Ready
A study of 2.5 million devices across 50 healthcare organization suggests the sector has a long way to go in getting ready for the post-quantum cryptography era.
Hackers exploit 32 zero-days on first day of Pwn2Own Ireland
On the first day of the Pwn2Own Ireland 2026 competition, security researchers hacked the Samsung Galaxy S26 twice and earned $388,500 after exploiting 32 zero-days. [...]
Fake ChatGPT, Gemini, and Claude Ad Portals Capture Credentials and MFA Codes
Cybersecurity researchers have disclosed details of a "human-operated phishing platform" that impersonates advertising products for artificial intelligence (AI) chatbots like Google Gemini, Anthropic Claude, OpenAI ChatGPT, Perplexity, Meta Muse, and Manus. The products, which…
Linux Backdoors Impersonate Email Security Tools to Evade Detection in Korea and Taiwan
Linux backdoors targeting telecom and network appliances in South Korea and Taiwan have been disguising their traffic as email services and seemingly legitimate processes to blend in and evade detection. Threat actors are known to name their malicious software after a legitimate…
Google's PageBreak AI Agent Finds 500 Flaws in Its Web Apps
The situation illustrates a trend toward using AI and deterministic validation to identify flaws and exploitability, and provide a risk assessment.
Atlassian warns of critical file-access flaw in Jira, Confluence
Atlassian is warning customers of a critical vulnerability, tracked as CVE-2026-21589, that can be exploited for arbitrary file-access in multiple self-hosted Data Center products, including Confluence, Jira, and Bitbucket. [...]
IANS' Kakolowski: How AI Is Reshaping CISO Budgets & Security Teams
In this video interview, Nick Kakolowski, senior director for CISO research at IANS, talks AI: budgets, ROI, and changes inside security teams.
'BigDiskBuster' Leaves Microsoft Defender Running While Blocking Updates
Not quite an EDR-killer, but the proof-of-concept cyber technique creates a silent virus detection gap while service runs normally, no exploit required.
ASOS confirms data breach after “HACKED” in-app notifications
UK fashion retailer ASOS confirmed a data breach Tuesday after hackers sent unauthorized push notifications through its mobile app while claiming to have stolen customer data from the company's Snowflake environment. [...]
Fake ChatGPT, Gemini Sites steal advertising accounts, MFA codes
A new campaign targeting ad account managers uses fake ChatGPT, Gemini, Claude, and Perplexity sites that steal login credentials and multi-factor authentication (MFA) codes through browser-in-browser attacks. [...]
How to secure RMM software: 8 controls MSPs should test
RMM platforms give MSPs privileged access across customer environments, making their security controls critical to limiting risk. Acronis outlines eight controls MSPs should test when evaluating RMM software, from patching and privileged access to recovery and tenant isolation.…