Network Security

May 21, 2026

A VPN service used by cybercriminals to conceal ransomware attacks, data theft, and other serious offences has been dismantled in an international operation led by France and the Netherlands, with support from Europol and Eurojust. For years, the service, known as ‘First VPN’, was promoted on Russian-speaking cybercrime forums as a trusted tool for remaining beyond ...

May 1, 2026

Authorities in Canada have disclosed details of a mobile cyber operation that relied on SMS blasters mounted inside vehicles moving through urban areas. Three suspects drove around downtown Toronto with these hidden devices running in their cars, impersonating cell towers. The Toronto Police Service confirmed that this marked the first operation of its kind ever recorded ...

April 29, 2026

The Cybersecurity and Infrastructure Security Agency (CISA) is warning anyone who uses GrassMarlin, a tool developed by the National Security Agency (NSA), about a new vulnerability that attackers can use to snoop on sensitive information. First reported by Grady DeRosa, senior industrial pentester at Dragos, the weak spot affects all versions of GrassMarlin, a tool developed ...

April 24, 2026

A US federal agency was successfully targeted by a previously unknown backdoor malware called Firestarter, according to CISA cybersnoops and their UK counterparts – neither of which disclosed the agency’s name. Federal Civilian Executive Branch (FCEB) agencies include NASA; Homeland Security itself (cyberworkers at CISA are part of an operational unit in Homeland Security); the FBI; the DoJ; the IRS; the ...

April 22, 2026

Enterprises have long trusted Wi-Fi encryption and client isolation to secure their wireless infrastructure. However, Palo Alto conducted research presented at the NDSS Symposium 2026 that reveals that these safeguards can be breached by a novel set of attack techniques that they call AirSnitch. These techniques exploit subtle security issues in protocol-infrastructure interactions to undermine the ...

April 21, 2026

Iranian media is claiming that the US used backdoors and/or botnets to disable networking equipment during the current war, and Chinese state media is dining out on the allegations. Reports from Iran claim hardware made by Cisco, Juniper, Fortinet, and MikroTik either rebooted or disconnected during recent attacks on Iran – despite the regime disconnecting the ...

April 17, 2026

Cisco has pushed a new patch to address four critical-severity vulnerabilities plaguing its cloud-based Webex Services platform – and has also warned Wi-Fi access points users of a bug in certain versions of IOS XE that could result in a device bootloop. Webex Services is a platform for communication and collaboration, letting people hold video meetings, ...

April 8, 2026

British security officials found that a group linked to the Russian military is spying on users of compromised Small Office/Home Office (SOHO) routers in a broad cyber espionage campaign. A Microsoft blog goes into the technical details of these attacks. The group, which researchers will refer to as APT28, but is also known under names like ...

March 16, 2026

At the start of the year, cybercriminals were exploiting three vulnerabilities in FortiGate Next-Generation Firewalls (NGFW) to establish persistence and move laterally throughout the network. All recorded attacks were stopped before they could do any meaningful harm, and FortiGate has since issued patches to mitigate the risk. Between December 2025 and February 2026, security researchers SentinelOne ...

March 6, 2026

Just when network admins thought the Cisco SD-WAN patch queue might finally be shrinking, Switchzilla has confirmed miscreants are exploiting more vulnerabilities in its SD-WAN management software. The newly abused flaws affect Cisco Catalyst SD-WAN Manager, the platform formerly known as vManage that sits at the center of many organizations’ SD-WAN deployments. One of the bugs, ...