Latest Cybersecurity News and Articles


SystemBC C2 Server Reveals 1,570+ Victims in The Gentlemen Ransomware Operation

21 April 2026
Threat actors associated with The Gentlemen ransomware‑as‑a‑service (RaaS) operation have been observed attempting to deploy a known proxy malware called SystemBC. According to new research published by Check Point, the command-and-control (C2 or C&C) server linked to SystemBC has led to the discovery of a botnet of more than 1,570 victims. "SystemBC establishes SOCKS5 network tunnels within

22 BRIDGE:BREAK Flaws Expose Thousands of Lantronix and Silex Serial-to-IP Converters

21 April 2026
Cybersecurity researchers have identified 22 new vulnerabilities in popular models of serial-to-IP converters from Lantronix and Silex that could be exploited to hijack susceptible devices and tamper with data exchanged by them. The vulnerabilities have been collectively codenamed BRIDGE:BREAK by Forescout Research Vedere Labs, which identified nearly 20,000 Serial-to-Ethernet converters exposed

‘Scattered Spider’ Member ‘Tylerb’ Pleads Guilty

21 April 2026
A 24-year-old British national and senior member of the cybercrime group "Scattered Spider" has pleaded guilty to wire fraud conspiracy and aggravated identity theft. Tyler Robert Buchanan admitted his role in a series of text-message phishing attacks in the summer of 2022 that allowed the group to hack into at least a dozen major technology companies and steal tens of millions of dollars worth of cryptocurrency from investors.

Third US Security Expert Admits Helping Ransomware Gang

21 April 2026
Angelo Martino of Florida has pleaded guilty to collaborating with the BlackCat cybercrime group while working as a ransomware negotiator. The post Third US Security Expert Admits Helping Ransomware Gang appeared first on SecurityWeek.

Ransomware Negotiator Pleads Guilty to Aiding BlackCat Attacks in 2023

21 April 2026
A third individual who was employed as a ransomware negotiator has pleaded guilty to conducting ransomware attacks against U.S. companies in 2023. Angelo Martino, 41, of Land O'Lakes, Florida, teamed up with the operators of the BlackCat ransomware starting in April 2023 to assist the e-crime gang in extracting higher amounts as ransoms. "Working as a negotiator on behalf of five different

Dozens of Malicious Crypto Apps Land in Apple App Store

21 April 2026
Masquerading as popular cryptocurrency wallets, the apps can hijack recovery phrases and private keys. The post Dozens of Malicious Crypto Apps Land in Apple App Store appeared first on SecurityWeek.

5 Places where Mature SOCs Keep MTTR Fast and Others Waste Time

21 April 2026
Security teams often present MTTR as an internal KPI. Leadership sees it differently: every hour a threat dwells inside the environment is an hour of potential data exfiltration, service disruption, regulatory exposure, and brand damage.  The root cause of slow MTTR is almost never "not enough analysts." It is almost always the same structural problem: threat intelligence that exists

NGate Campaign Targets Brazil, Trojanizes HandyPay to Steal NFC Data and PINs

21 April 2026
Cybersecurity researchers have discovered a new iteration of an Android malware family called NGate that has been found to abuse a legitimate application called HandyPay instead of NFCGate. "The threat actors took the app, which is used to relay NFC data, and patched it with malicious code that appears to have been AI-generated," ESET security researcher Lukáš Štefanko said in a

Unsecured Perforce Servers Expose Sensitive Data From Major Orgs

21 April 2026
Things are improving, but a researcher has still identified over 1,500 Perforce P4 instances allowing attackers to read files on the server. The post Unsecured Perforce Servers Expose Sensitive Data From Major Orgs appeared first on SecurityWeek.

Progress Patches Multiple Vulnerabilities in MOVEit WAF, LoadMaster

21 April 2026
The security defects could be exploited for remote code execution, OS command injection, and WAF detection bypass. The post Progress Patches Multiple Vulnerabilities in MOVEit WAF, LoadMaster appeared first on SecurityWeek.

Cyber chief: UK faces "perfect storm" for cyber security

21 April 2026
As the technology landscape develops, the definition of cyber security is expanding with it.

No Exploit Needed: How Attackers Walk Through the Front Door via Identity-Based Attacks

21 April 2026
The cybersecurity industry has spent the last several years chasing sophisticated threats like zero-days, supply chain compromises, and AI-generated exploits. However, the most reliable entry point for attackers still hasn't changed: stolen credentials. Identity-based attacks remain a dominant initial access vector in breaches today. Attackers obtain valid credentials through credential stuffing

Organizations Warned of Exploited Cisco, Kentico, Zimbra Vulnerabilities

21 April 2026
CISA expanded the KEV catalog with eight flaws, but five of them have been flagged as exploited before. The post Organizations Warned of Exploited Cisco, Kentico, Zimbra Vulnerabilities appeared first on SecurityWeek.

Data Breaches at Healthcare Organizations in Illinois and Texas Affect 600,000

21 April 2026
Data breaches were disclosed by Southern Illinois Dermatology, Saint Anthony Hospital, and North Texas Behavioral Health Authority. The post Data Breaches at Healthcare Organizations in Illinois and Texas Affect 600,000 appeared first on SecurityWeek.

Google Patches Antigravity IDE Flaw Enabling Prompt Injection Code Execution

21 April 2026
Cybersecurity researchers have discovered a vulnerability in Google's agentic integrated development environment (IDE), Antigravity, that could be exploited to achieve code execution. The flaw, since patched, combines Antigravity's permitted file-creation capabilities with an insufficient input sanitization in Antigravity's native file-searching tool, find_by_name, to bypass the program's Strict

$290 Million Kelp DAO Crypto Heist Blamed on North Korea

21 April 2026
The hackers targeted LayerZero’s DVN, compromising certain RPCs and DDoSing others to trigger failover to the poisoned infrastructure.   The post $290 Million Kelp DAO Crypto Heist Blamed on North Korea appeared first on SecurityWeek.

CISA Adds 8 Exploited Flaws to KEV, Sets April-May 2026 Federal Deadlines

21 April 2026
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added eight new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including three flaws impacting Cisco Catalyst SD-WAN Manager, citing evidence of active exploitation. The list of vulnerabilities is as follows - CVE-2023-27351 (CVSS score: 8.2) - An improper authentication vulnerability in PaperCut

SGLang CVE-2026-5760 (CVSS 9.8) Enables RCE via Malicious GGUF Model Files

20 April 2026
A critical security vulnerability has been disclosed in SGLang that, if successfully exploited, could result in remote code execution on susceptible systems. The vulnerability, tracked as CVE-2026-5760, carries a CVSS score of 9.8 out of 10.0. It has been described as a case of command injection leading to the execution of arbitrary code. SGLang is a high-performance, open-source serving

US Security Agency Leverages Claude Mythos Despite Pentagon Blacklist

20 April 2026
Reports suggest that the NSA is using Claude Mythos. 

Vercel Breach Originated from an Employee’s AI Tool

20 April 2026
This breach occurred due to a third-party AI tool.