Latest cybersecurity reporting from selected sources.

Palo Alto Networks is warning that hackers are now exploiting a PAN-OS GlobalProtect authentication bypass flaw, tracked as CVE-2026-0257, in attacks attempting to breach corporate networks. [...]

Also: Spanish Hacker Granted Russian Asylum, Microsoft Patches Zero-DaysThis week, a CISA warning, Nest footage in Nancy Guthrie case, Signal phishing. Spanish hacker, Russian asylum. Spanish ministry services offline. BYOVD ransomware. The Conduent breach hit Volvo. Microsoft patched zero-days. ZeroDayRAT targeted devices. The SmarterMail breach. Another Fortinet flaw.

Also, CIRO Phishing Breach, Ingram Micro Ransomware and CVE SurgeThis week, DOGE posted sensitive data on an outside server. A phishing attack affected 750,000 Canadians. A hacktivism warning from the U.K. NCSC. An Ingram Micro breach. CVEs surged in 2025. SK Telecom challenged a fine. Researchers disclosed Chainlit flaws. North Korean hackers abused VS Code.

Also, Akira Ransomware Resumes Attacks Via SonicWall FlawsThis week, the Vidar infostealer, BlackDB admin, Akira ransomware hackers and Patch Tuesday. A warning for British bankers, a Cursor flaw, a Brazilian dating app shut down. KazMunayGas said it wasn't hacked. Wealthsimple and Hello Gym data breaches. A macOS backdoor hid in plain sight for years.

The Netherlands' National Cyber Security Centre (NCSC) is warning that a critical Citrix NetScaler vulnerability tracked as CVE-2025-6543 was exploited to breach "critical organizations" in the country. [...]

Also: CISA Warns of Unpatched Train Brake VulnerabilityThis week: Louis Vuitton and Co-op confirm breaches, unpatched train brake flaw, Barclays fined £42M pounds for financial crime failures, secret U.K. program relocated thousands of Afghans, ex-soldier pleads guilty to hacking, Ukrainian hackers claim hit on Russian drone supplier.

Hacker Claims to Have Exploited Flaw in Oracle WebLogic Server, Sold Stolen DataSeychelles Commercial Bank is warning customers that a hacker stole their personal information - but no money - from their accounts after breaching its systems. The hacker involved claims to have stolen and sold two gigabytes of customer data from the bank, which paid no ransom.

Fortinet has revealed that threat actors have found a way to maintain read-only access to vulnerable FortiGate devices even after the initial access vector used to breach the devices was patched

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a vulnerability linked to the supply chain compromise of the GitHub Action, tj-actions/changed-files, to its Known Exploited Vulnerabilities (KEV) catalog

Also: Lee Enterprises Recovering From Ransomware Attack, an Ivanti POCThis week, a FBI warning on Ghost ransomware, Lee Enterprises confirmed its ransomware attack, a proof-of-concept for Ivanti EPM flaws and a cybersecurity flaw in a Xerox machine. Also, a Chinese cyberespionage hacker apparently moonlighted as a ransomware attacker and NioCorp hit by a cyber heist.

Palo Alto Networks warns that hackers are actively exploiting a critical authentication bypass flaw (CVE-2025-0108) in PAN-OS firewalls, chaining it with two other vulnerabilities to breach devices in active attacks. [...]

South Korea's National Cyber Security Center (NCSC) warns that state-backed DPRK hackers hijacked flaws in a VPN's software update to deploy malware and breach networks. [...]

F5 is warning BIG-IP admins that devices are being breached by "skilled" hackers exploiting two recently disclosed vulnerabilities to erase signs of their access and achieve stealthy code execution. [...]

North Korean threat actors are actively exploiting a critical security flaw in JetBrains TeamCity to opportunistically breach vulnerable servers, according to Microsoft

Cybersecurity agencies in Australia and the U.S. have published a joint cybersecurity advisory warning against security flaws in web applications that could be exploited by malicious actors to orchestrate data breach incidents and steal confidential data

Email protection and network security services provider Barracuda is warning users about a zero-day flaw that it said has been exploited to breach the company's Email Security Gateway (ESG) appliances

Barracuda, a company known for its email and network security solutions, warned customers today that some of their Email Security Gateway (ESG) appliances were breached last week by targeting a now-patched zero-day vulnerability. [...]

CISA has added an almost three-year-old high-severity remote code execution (RCE) vulnerability in the Plex Media Server to its catalog of security flaws exploited in attacks. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA), along with the Coast Guard Cyber Command (CGCYBER), on Thursday released a joint advisory warning of continued attempts on the part of threat actors to exploit the Log4Shell flaw in VMware Horizon servers to breach target networks