Latest cybersecurity reporting from selected sources.

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 […]

Rapid7: Attackers exploit authentication bypass flaw in the wild, meaning more emergency patching for PAN-OS users

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. [...]

Palo Alto Networks has warned that a recently disclosed medium-severity security flaw impacting PAN-OS and Prisma Access has come under active exploitation in the wild

Threat actors brute-forced VPN credentials and bypassed multi-factor authentication (MFA) on SonicWall Gen6 SSL-VPN appliances to deploy tools used in ransomware attacks. [...]

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

'Opportunistic, Mass Exploitation' Campaign Surging, Say Cybersecurity ResearchersAttackers wielding Akira ransomware appear to be engaged in an "opportunistic, mass exploitation" of SonicWall SSL VPN servers, even when they're using the latest firmware and configured to require multifactor authentication one-time passwords, warn cybersecurity researchers.

Roses are red, violets are blue, CVE-2024-53704 is perfect for a ransomware crew Miscreants are actively abusing a high-severity authentication bypass bug in unpatched internet-facing SonicWall firewalls following the public release of proof-of-concept exploit code.…

Security researchers at Bishop Fox have published complete exploitation details for the CVE-2024-53704 vulnerability that allows bypassing the authentication mechanism in certain versions of the SonicOS SSLVPN application. [...]

An ongoing campaign targeting FortiGate devices with management interfaces exposed on the public Internet is leading to unauthorized administrative logins and configuration changes, creating new accounts, and performing SSL VPN authentication.

Threat hunters are calling attention to a new campaign that has targeted Fortinet FortiGate firewall devices with management interfaces exposed on the public internet

SonicWall is emailing customers urging them to upgrade their firewall's SonicOS firmware to patch an authentication bypass vulnerability in SSL VPN and SSH management that is "susceptible to actual exploitation." [...]

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.

Criminal and Nation-State Focus on Network Edge Devices Continues, Researchers WarnAttackers have been escalating their attempts to compromise poorly secured virtual private networks - including appliances set for password-only authentication - to gain remote, initial access to enterprise networks, Check Point Software Technologies warns.

These attacks did not exploit a vulnerability but instead leveraged weaker authentication methods

Cisco is warning about a global surge in brute-force attacks targeting various devices, including Virtual Private Network (VPN) services, web application authentication interfaces, and SSH services, since at least March 18, 2024

Also warns of brute force attacks targeting its own VPNs, Check Point, Fortinet, SonicWall and more Cisco is fighting fires on a couple fronts this week after security incidents involving its Duo multi-factor authentication (MFA) service and its remote-access VPN services.…

As many as five different malware families were deployed by suspected nation-state actors as part of post-exploitation activities leveraging two zero-day vulnerabilities in Ivanti Connect Secure (ICS) VPN appliances since early December 2023