radar.cysentrix

Archive

Page 27 of 27 — 1568 stories total

← Back to radar
Help Net Security

Cisco fixes vulnerability exploited to DoS its firewalls (CVE-2026-20349)

A high-severity vulnerability (CVE-2026-20349) is being leveraged by attackers to temporarily interrupt the operation of Cisco firewalls, the company has confirmed. The flaw has been added to CISA’s Known Exploited Vulnerabilities catalog and needs to be remediated by US civil...

vulnerability Actively exploitedCVE-2026-20349 · EPSS 2%
Security Affairs

North Korean Lazarus Group Uses Windows Zero-Day in Operation Dream Job

Lazarus targets defense professionals with fake Lockheed Martin jobs, exploiting a Windows zero-day to deploy backdoors and evade security controls. Check Point Research has uncovered a new wave of Operation Dream Job, the long-running North Korean campaign that lures defense ...

zero daymicrosoft
The Hacker News

Attackers Exploit SharePoint Authentication Bypass After Public PoC Release

Threat actors have begun to exploit a newly disclosed Microsoft SharePoint vulnerability following the release of a proof-of-concept (PoC) code. The vulnerability in question is CVE-2026-55040 (CVSS score: 9.1), which refers to a critical security feature bypass that stems fro...

vulnerabilitymicrosoft Actively exploitedCVE-2026-55040 · EPSS 51%
Help Net Security

Four corporate investigation mistakes organizations make under pressure

In this Help Net Security video, Christine Gadsby, VP and Chief Security Advisor at BlackBerry, explains why corporate investigations go wrong before the forensic team arrives. The first hours matter more than leaders assume. Access gets granted, conversations start, and decis...

Help Net Security

DDoS attacks hit record scale as 1 Tbps+ campaigns become more common

DDoS attacks grew in scale during the first half of 2026, bringing larger traffic floods, shorter attack durations, and increasingly automated campaigns. Cloudflare’s H1 2026 DDoS Threat Report shows threat actors relying on multi-vector techniques and large-scale network-laye...

Help Net Security

Product showcase: Is this image real? Slop or Not investigates

Slop or Not is an AI text and image detector for iPhone and Mac that runs entirely offline, with no account required. It uses on-device AI models powered by the Apple Neural Engine to detect AI-generated content. According to a recent survey, 85% of people say they struggle to...

Help Net Security

Wireshark 4.6.8 patches 28 security bugs, nine in file parsers

Wireshark 4.6.8 fixes 28 security bugs in the protocol analyzer, and nine of them fire when someone opens a saved capture file. Those nine sit in file parsers, the code that reads a capture off disk before any dissection begins: pcapng, Endace ERF, Tektronix K12xx, BUSMASTER, ...