September 2026

Threat actors behind the “Phantom Deal” campaign are studying companies in extreme detail, aiming to dupe midlevel employees into initiating large financial transfers.

In this video conversation, Dark Reading editors discuss some of the news they didn’t get a chance to cover, from the latest antics of ShinyHunters to new research about the prevalence (or lack thereof) of AI-generated malware.

The incident demonstrates how frontier AI agents can dramatically compress an attack timeline and coordinate a large-scale breach, according to researchers.

Hacker group published roughly 550GB of data after MAG reportedly refused to pay a ransom demand; the group says it gained access via exposed admin keys.

The post Manchester Airports Group Data on 8.8 Million People Leaked After Ransom Refusal appeared first on SecurityWeek.

New models, trained using NVIDIA Nemotron 3 Ultra, aim to catch rogue agent behavior before it executes, without the latency of large-model review.

The post Capsule Security Launches ‘AI Circuit Breaker’ to Stop Rogue Agents appeared first on SecurityWeek.

The Austin-based company will invest in agentic runtime security capabilities to secure AI coding agents.

The post HiddenLayer Raises $100 Million for AI Runtime Security appeared first on SecurityWeek.

At least 14 Serbians have been targeted with advanced spyware since December, with victims including a member of Parliament, a local opposition politician and student protesters, according to digital forensic researchers.

The worst part is how normal these attacks look. A call from IT. A shared file. A trusted app. A simple request to click “Allow.” Why break in when someone might open the door?

That idea runs through this edition. Attackers use real tools, fake login pages, old account links, and software guides that point to unsafe downloads. One wrong letter in a web address can be enough.

There is also

Cisco has released patches to address a critical security flaw affecting 10 Silicon One-based Nexus 9000 switches that could allow an unauthenticated, remote attacker to execute code as root, alongside an IOS XR hardening release bundling 7 umbrella CVEs, 2 of which are rated 9.8, with no workaround for any IOS XR version.

The Nexus vulnerability, tracked as CVE-2026-20212 (CVSS score: 9.8), is

Cybersecurity researchers have disclosed details of a sophisticated Python-based Windows malware framework called BraZetsu that fuels an underground marketplace commercializing access to compromised hosts.

“Unlike the standard infostealer model, BraZetsu is a comprehensive master toolkit that empowers Initial Access Brokers (IABs) by turning compromised systems into highly valuable commercial