#network security
32 stories taggednetwork security.
Zombie Cards, Cut Cables, and a Botnet: The Week's Cybercrime Stories You May Have Missed
A DDoS attack on encrypted messaging app Threema, a new Linux botnet called Evooo1Bot, and T-Mobile physically severing a cable to stop an intrusion all made news this week. Here is what happened.
Cisco Patches Four Maximum-Severity Flaws in Crosswork Network Software
Fifteen vulnerabilities fixed across Cisco products, with three scoring a perfect 10 out of 10 on the standard severity scale. None are known to be exploited yet.
Six flaws in CISA's own Malcolm network tool let low-level users run code and slip past access checks
The US cyber agency's open-source traffic analyzer, used by defenders worldwide, shipped with a file-upload bug that hands attackers a shell as the web user, plus two authorization gates that fall open on a simple URL trick.
Fortinet Patches Eight Flaws, Including Two That Let Attackers Log In Without Real Credentials
Two high-severity bugs in Fortinet's security products could let criminals talk their way past login screens they should never be able to reach.
SonicWall Patches Critical Flaws in a Security Platform It Already Retired
Two vulnerabilities scored near-perfect danger ratings and could let criminals break into systems without a password. One of the affected products was officially shut down last October.
NatJack: New Attack Hijacks TCP Sessions by Abusing Network Address Translation
Researcher Malcolm Stagg showed at Black Hat USA 2026 how to twist NAT tables to steal live connections, fake DNS answers, and unmask hidden users.
NatJack: A New Way to Hijack Internet Traffic by Poisoning Router Memory
Researcher Malcolm Stagg says routers from Microsoft to Linux mishandle connection tracking in ways that let attackers steal live sessions and forge DNS replies.
Cisco Patches a Dozen Flaws in SD-WAN and IOS XE, Three Rated Critical
An internal Cisco security review turned up 12 vulnerabilities, including three with a severity score of 9.8 out of 10, in software that runs corporate networks worldwide.
Twenty Chinese Router Models Ship From The Factory With A Hidden Backdoor
Researchers at VulnCheck say every current Zbtlink firmware image contains an implant that phones home to Chinese servers and hands attackers root access.
Cisco Patches 24 Flaws, Including a Perfect-Score Bug That Hands Attackers Full Control
A flaw in Cisco's firewall management software scores a rare 10 out of 10 on the severity scale, meaning a remote criminal needs no password to take complete control of an affected system.
15 Flaws in TP-Link Kit Put Automatic Network Setup at Risk
Security researchers found 15 vulnerabilities in TP-Link's Omada networking system and warn that the convenient "zero-touch" setup process that millions of organisations rely on could hand criminals the keys to an entire network.
Fifteen Flaws in TP-Link's Auto-Setup System Could Hand Hackers Control of an Entire Business Network
Security firm Forescout found serious weaknesses in the technology TP-Link uses to automatically configure routers, switches, and cameras. Some flaws can be chained together to let an outsider quietly seize control of every device on a network.
Why Locking Down What AI Agents Can Do Is Not Enough
A security firm says the real question is not what you told your AI to do. It is how far it can wander if something goes wrong.
The Network Is Quietly Becoming the Referee for AI Traffic
As AI tools multiply inside companies, firewalls are being asked to do a job they were never designed for: policing conversations between machines that think.
Fortinet unveils FortiGate 1200G firewall with built-in SASE enforcement for on-premises sites
The new midrange appliance pushes cloud-style security policy into company-controlled buildings and data centres, running at up to 397 Gbps. Availability is set for Q3 2026.