Latest cybersecurity reporting from selected sources.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) urged Fortinet customers to secure their devices after nearly 74,000 firewall and VPN credentials were exposed in a data leak dubbed "FortiBleed." [...]

Palo Alto Networks warns that attackers are actively exploiting CVE-2026-0257, a PAN-OS flaw that lets unauthorized users bypass authentication and establish VPN connections. Palo Alto Networks has confirmed active exploitation of CVE-2026-0257, a PAN-OS authentication bypass vulnerability affecting GlobalProtect portals and gateways. Palo Alto Networks addressed the vulnerability on May 13. Two weeks later, cybersecurity firm Rapid7 […]

Palo Alto Networks has revealed that it has observed "active exploitation" of a recently disclosed PAN-OS vulnerability by an unknown threat actor to obtain unauthorized access to GlobalProtect portals

21,786 live cameras stream with zero authentication. Cheap gear is the real risk, webcamXP open 46% of the time. Your home router is the broadcast tower. In May 2026, Mysterium VPN queried a public internet-wide device index to count every camera and recorder that answers the open internet. They found more than three million reachable […]

Check Point says a critical vulnerability in its Remote Access VPN and Mobile Access solutions has been exploited by Qilin

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. [...]

Firefox maker says the tools are basic security infrastructure, not teenage contraband

'Firestarter' Backdoor Can Survive Reboots, Upgrades and Standard FixesThe Cybersecurity and Infrastructure Security Agency issued an emergency directive warning a newly-discovered Cisco backdoor can survive routine remediation processes, forcing agencies to investigate edge devices that anchor federal firewall and VPN security.

Fortinet on Wednesday said it observed "recent abuse" of a five-year-old security flaw in FortiOS SSL VPN in the wild under certain configurations

WatchGuard has released fixes to address a critical security flaw in Fireware OS that it said has been exploited in real-world attacks

Cybersecurity researchers are warning of a "significant spike" in brute-force traffic aimed at Fortinet SSL VPN devices

SonicWall is warning customers that threat actors are distributing a trojanized version of its NetExtender SSL VPN client used to steal VPN credentials. [...]

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

Fortinet warns that threat actors use a post-exploitation technique that helps them maintain read-only access to previously compromised FortiGate VPN devices even after the original attack vector was patched. [...]

Actively Targeted Zero Day Patched; Warning Issued After Device Configurations LeakFortinet has released patches to fix a zero-day vulnerability being actively exploited by attackers. Separately, researchers are warning customers to review their infrastructure after attackers leaked configuration details - including firewall rules and plaintext VPN passwords - for 15,000 devices.

Suspected Chinese Attackers Again Tied to Active Exploitation of VPN AppliancesVPN appliance maker Ivanti has begun releasing updates to patch a zero-day vulnerability being actively exploited by suspected nation-state attackers. Experts are warning users to immediately update their devices, after factory resetting them to flush any malware attackers may have installed.

D-Link is warning customers to replace end-of-life VPN router models after a critical unauthenticated, remote code execution vulnerability was discovered that will not be fixed on these devices. [...]

A threat actor known as BrazenBamboo has exploited an unresolved security flaw in Fortinet's FortiClient for Windows to extract VPN credentials as part of a modular framework called DEEPDATA

Also: Ransomware Hackers Demand BaguettesThis week, Chinese spying, Italian hacking scandal, an FBI warning and Okta fixed a bug. Google mandated MFA, zero days in PTZOptics and a Mexican airport didn't pay ransom. Cybercriminals demanded baguettes, breach lettersin Ohio and Germany will shield white hats. The Italian DPA rebuked a bank.

Not Yet Compatible: Many Third-Party Endpoint Security, Authentication, VPN ToolsMultiple makers of third-party Apple security tools, including CrowdStrike and SentinelOne, are warning users not to upgrade to the new macOS 15 Sequoia, pending needed OS bug fixes. Users have also reported seeing problems with third-party VPNs crashing and single sign-on tools failing.