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Latest news and stories from BleepingComputer.com From a bleeping computer to a working computer.
GhostTree Attack Abused Recursive Windows Junctions to Hide Malware
GhostTree uses recursive NTFS junctions to generate vast numbers of valid Windows file paths. Varonis explains how the technique could cause Microsoft Defender folder scans to never complete, leaving malware undetected. [...]
https://www.bleepingcomputer.com/news/security/ghosttree-attack-abused-recursive-windows-junctions-to-hide-malware/
CISA warns of another cPanel plugin flaw exploited in attacks
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has given U.S. government agencies three days to secure their servers against an actively exploited vulnerability (CVE-2026-54420) in the LiteSpeed cPanel user-end plugin. [...]
https://www.bleepingcomputer.com/news/security/cisa-warns-of-another-actively-exploited-cpanel-plugin-flaw/
Critical Fortinet FortiSandbox flaws now exploited in attacks
Attackers are now exploiting several critical vulnerabilities in Fortinet's FortiSandbox cyber threat detection platform, according to threat intelligence company Defused. [...]
https://www.bleepingcomputer.com/news/security/critical-fortinet-fortisandbox-flaws-now-exploited-in-attacks/
iRhythm discloses data breach, says hackers stole patient info
Digital healthcare company iRhythm Holdings has disclosed a data breach after hackers stole patients' personal and health information stored on third-party-hosted business applications. [...]
https://www.bleepingcomputer.com/news/security/irhythm-discloses-data-breach-says-hackers-stole-patient-info/
SimpleHelp bug lets hackers create rogue remote support accounts
A vulnerability in the SimpleHelp remote management software allows unauthenticated attackers to create privileged technician accounts on servers using the OpenID Connect (OIDC) authentication protocol. [...]
https://www.bleepingcomputer.com/news/security/simplehelp-bug-lets-hackers-create-rogue-remote-support-accounts/
Cisco fixes SD-WAN vManage flaw exploited in zero-day attacks
Cisco has released security updates to address a vulnerability in the Catalyst SD-WAN Manager, tracked as CVE-2026-20262, that was exploited in attacks to escalate to root privileges. [...]
https://www.bleepingcomputer.com/news/security/cisco-fixes-sd-wan-vmanage-flaw-exploited-in-zero-day-attacks/
FBI: Fraudsters use couriers to steal money in crypto scams
The U.S. Federal Bureau of Investigation (FBI) warned that criminals are using couriers to collect money from victims of cryptocurrency investment scams, also known as pig butchering or romance baiting. [...]
https://www.bleepingcomputer.com/news/security/fbi-fraudsters-use-couriers-to-steal-money-in-crypto-scams/
Chinese hackers breach REDCap servers, steal medical research
A China-linked espionage campaign targeted exposed REDCap servers to deploy the InfiniteRed malware and steal sensitive data from a medical institution in North America. [...]
https://www.bleepingcomputer.com/news/security/chinese-hackers-breach-redcap-servers-steal-medical-research/
Infinite Campus data breach affects 137,000 school staff accounts
The ShinyHunters extortion gang stole personal information from more than 137,000 school staff accounts in a Salesforce data theft attack that targeted the widely used Infinite Campus K-12 student information system in March. [...]
https://www.bleepingcomputer.com/news/security/infinite-campus-data-breach-affects-137-000-school-staff-accounts/
FBI disrupts massive AI-powered phishing service using a million URLs
In a coordinated effort, the FBI, working with Google and Black Lotus Labs, has dismantled a massive Chinese phishing-as-a-service operation called Outsider Enterprise with thousands of phishing websites used to steal credit card data and passwords. [...]
https://www.bleepingcomputer.com/news/security/fbi-disrupts-massive-ai-powered-phishing-service-using-a-million-urls/
Chinese hackers hijack auth flow, spy on isolated network for a decade
Chinese hackers took control of a target organization's authentication stack and maintained persistence for 10 years, with full visibility into the administrative activity. [...]
https://www.bleepingcomputer.com/news/security/chinese-hackers-hijack-auth-flow-spy-on-isolated-network-for-a-decade/
Maine disables data breach notification portal after fake disclosures
Maine has taken its public data breach reporting portal offline after fraudulent breach disclosures were published on the state's website, prompting a review of procedures to prevent abuse in the future. [...]
https://www.bleepingcomputer.com/news/security/maine-disables-data-breach-notification-portal-after-fake-disclosures/
Ukrainian national pleads guilty to role in Conti ransomware operation
A Ukrainian national extradited from Ireland to the United States last year has pleaded guilty to conspiracy charges tied to the Conti ransomware operation. [...]
https://www.bleepingcomputer.com/news/security/ukrainian-national-pleads-guilty-to-role-in-conti-ransomware-operation/
Early Warning Signs of Supply-Chain Attacks Live in the Dark Web
GitHub access sales, leaked repositories, and stolen API keys can all become supply-chain attack footholds. Flare explores how underground forums expose early signals tied to software supply-chain risk. [...]
https://www.bleepingcomputer.com/news/security/early-warning-signs-of-supply-chain-attacks-live-in-the-dark-web/
Pharma giant Novo Nordisk discloses breach of clinical trials data
Danish pharmaceutical giant Novo Nordisk, the world's largest producer of insulin, disclosed a data breach affecting patient information from some clinical trials. [...]
https://www.bleepingcomputer.com/news/security/pharmaceutical-giant-novo-nordisk-discloses-security-breach/
FTC warns of record $3.5 billion losses to imposter scams in 2025
The U.S. Federal Trade Commission (FTC) warned that Americans lost $3.5 billion to imposter scams in 2025, with reported losses nearly tripling since 2020. [...]
https://www.bleepingcomputer.com/news/security/ftc-warns-of-record-35-billion-losses-to-imposter-scams-in-2025/
Ransomware gang abuses Microsoft Teams relays to hide malicious traffic
DragonForce ransomware used a custom malware named 'Backdoor.Turn' to hide command-and-control traffic inside Microsoft Teams relay infrastructure. [...]
https://www.bleepingcomputer.com/news/security/ransomware-gang-abuses-microsoft-teams-relays-to-hide-malicious-traffic/
Windows version of SprySOCKS Linux malware used to attack govt orgs
Windows variants for the SprySOCKS Linux malware have been used in attacks targeting government organizations in at least four countries. [...]
https://www.bleepingcomputer.com/news/security/windows-version-of-sprysocks-linux-malware-used-to-attack-govt-orgs/
DOJ seizes CFAKE, SOCFAKE deepfake nude sites under TAKE IT DOWN Act
The U.S. Department of Justice announced Friday that it has seized the CFAKE.com and SOCFAKE.com websites, which allegedly hosted nonconsensual AI-generated nude images and videos of women, in what appears to be the first publicly announced domain seizure under the TAKE IT DOWN Act. [...]
https://www.bleepingcomputer.com/news/security/doj-seizes-cfake-socfake-deepfake-nude-sites-under-take-it-down-act/
OptinMonster WordPress plugin hacked in CDN supply-chain attack
WordPress plugins OptinMonster, TrustPulse, and PushEngage have been compromised in a supply-chain attack impacting Awesome Motive-s content distribution network (CDN). [...]
https://www.bleepingcomputer.com/news/security/optinmonster-wordpress-plugin-hacked-in-cdn-supply-chain-attack/
Council of Europe investigates ShinyHunters data breach claims
The Council of Europe, the continent's oldest intergovernmental body, is probing claims of a data breach made by the ShinyHunters extortion group over the weekend. [...]
https://www.bleepingcomputer.com/news/security/council-of-europe-investigates-shinyhunters-data-breach-claims/
Vibe coders are gonna vibe code: How CISOs are tackling code sprawl
Employees are increasingly building automations, agents, and apps with AI tools outside traditional security oversight. Tines explores how CISOs are handling AI-driven code sprawl, shadow tooling, and governance challenges. [...]
https://www.bleepingcomputer.com/news/security/vibe-coders-are-gonna-vibe-code-how-cisos-are-tackling-code-sprawl/
New attack turned Microsoft 365 Copilot into 1-click data theft tool
A critical vulnerability chain dubbed SearchLeak in Microsoft 365 Copilot Enterprise could allow attackers to steal sensitive data from a target's mailbox, OneDrive, or SharePoint account through a specially crafted URL. [...]
https://www.bleepingcomputer.com/news/security/new-attack-turned-microsoft-365-copilot-into-1-click-data-theft-tool/
Webinar: How behavioral AI stops phishing and account takeovers
Modern phishing, BEC, and account takeover attacks increasingly bypass traditional email defenses and create operational strain for security teams. This webinar explores how behavioral AI can help automate detection, investigation, and remediation to reduce alert fatigue and accelerate response times. [...]
https://www.bleepingcomputer.com/news/security/webinar-how-behavioral-ai-stops-phishing-and-account-takeovers/
Ex-school district employee jailed for hacks on former employer
A former IT employee at an Iowa school district was sentenced to 21 months in prison after conducting a prolonged cyberattack against the former employer that disrupted classroom operations, deleted accounts, and caused tens of thousands of dollars in damages. [...]
https://www.bleepingcomputer.com/news/security/ex-school-district-employee-jailed-for-hacks-on-former-employer/
US Gov asks Anthropic to ban 'foreign national' access to Fable, Mythos
The US government has ordered Anthropic to block all foreign nationals from accessing Fable 5 and Mythos 5, forcing the company to suspend both models worldwide. Anthropic is complying but disputes the basis, calling the cited jailbreak narrow and the capability widely available elsewhere. [...]
https://www.bleepingcomputer.com/news/security/us-gov-asks-anthropic-to-ban-foreign-national-access-to-fable-mythos/
phpBB forum fixes auth bypass bug lurking for a decade
A 10-year-old authentication bypass vulnerability discovered in the phpBB forum software allows an attacker to log in as any user, including administrators. [...]
https://www.bleepingcomputer.com/news/security/phpbb-forum-fixes-auth-bypass-bug-lurking-for-a-decade/
Over 400 Arch Linux packages compromised to push rootkit, infostealer
More than 400 packages in the Arch User Repository (AUR) are distributing a Linux rootkit and infostealer malware targeting credentials and access tokens. [...]
https://www.bleepingcomputer.com/news/security/over-400-arch-linux-packages-compromised-to-push-rootkit-infostealer/
Microsoft fixes Windows update failures linked to WUSA installer
Microsoft has fixed a known issue that caused Windows updates released since May 2025 to fail when installed via the Windows Update Standalone Installer (WUSA) from a network share. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-fixes-windows-update-failures-linked-to-wusa-installer/
CISA orders feds to patch actively exploited Ivanti flaw by Sunday
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered government agencies to patch an actively exploited Ivanti Sentry flaw within three days, as mandated by the newly issued Binding Operational Directive (BOD) 26-04. [...]
https://www.bleepingcomputer.com/news/security/cisa-gives-feds-3-days-to-patch-ivanti-flaw-exploited-in-attacks/