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China-Linked GopherWhisper Infects 12 Mongolian Government Systems with Go Backdoors

23 April 2026 at 09:04
Mongolian governmental institutions have emerged as the target of a previously undocumented China-aligned advanced persistent threat (APT) group tracked as GopherWhisper. "The group wields a wide array of tools mostly written in Go, using injectors and loaders to deploy and execute various backdoors in its arsenal," Slovakian cybersecurity company ESET said in a report shared with The Hacker

Vercel Finds More Compromised Accounts in Context.ai-Linked Breach

23 April 2026 at 08:40
Vercel on Wednesday revealed that it has identified an additional set of customer accounts that were compromised as part of a security incident that enabled unauthorized access to its internal systems. The company said it made the discovery after expanding its investigation to include an extra set of compromise indicators, alongside a review of requests to the Vercel network and environment

Apple Fixes iOS Flaw That Let FBI Recover Deleted Signal Messages

23 April 2026 at 08:06
Apple has rolled out a software fix for iOS and iPadOS to address a Notification Services flaw that stored notifications marked for deletion on the device. The vulnerability, tracked as CVE-2026-28950 (CVSS score: N/A), has been described as a logging issue that has been addressed with improved data redaction. "Notifications marked for deletion could be unexpectedly retained on the device,"

Malicious KICS Docker Images and VS Code Extensions Hit Checkmarx Supply Chain

22 April 2026 at 17:55
Cybersecurity researchers have warned of malicious images pushed to the official "checkmarx/kics" Docker Hub repository. In an alert published today, software supply chain security company Socket revealed that unknown threat actors managed to have overwritten existing tags, including v2.1.20 and alpine, while also introducing a new v2.1.21 tag that does not correspond to an official release. The

Self-Propagating Supply Chain Worm Hijacks npm Packages to Steal Developer Tokens

22 April 2026 at 17:33
Cybersecurity researchers have flagged a fresh set of packages that have been compromised by bad actors to deliver a self-propagating worm that spreads through stolen developer npm tokens. The supply chain worm has been detected by both Socket and StepSecurity, with the companies tracking the activity under the name CanisterSprawl owing to the use of an ICP canister to exfiltrate the stolen data

Harvester Deploys Linux GoGra Backdoor in South Asia Using Microsoft Graph API

22 April 2026 at 15:28
The threat actor known as Harvester has been attributed to a new Linux version of its GoGra backdoor deployed as part of attacks likely targeting entities in South Asia. "The malware uses the legitimate Microsoft Graph API and Outlook mailboxes as a covert command-and-control (C2) channel, allowing it to bypass traditional perimeter network defenses," the Symantec and Carbon Black Threat Hunter

Lotus Wiper Malware Targets Venezuelan Energy Systems in Destructive Attack

22 April 2026 at 10:55
Cybersecurity researchers have discovered a previously undocumented data wiper that has been used in attacks targeting Venezuela at the end of last year and the start of 2026. Dubbed Lotus Wiper, the novel file wiper has been used in a destructive campaign targeting the energy and utilities sector in Venezuela, per findings from Kaspersky. "Two batch scripts are responsible for initiating the

Toxic Combinations: When Cross-App Permissions Stack into Risk

22 April 2026 at 10:41
On January 31, 2026, researchers disclosed that Moltbook, a social network built for AI agents, had left its database wide open, exposing 35,000 email addresses and 1.5 million agent API tokens across 770,000 active agents. The more worrying part sat inside the private messages. Some of those conversations held plaintext third-party credentials, including OpenAI API keys shared between agents,

Microsoft Patches Critical ASP.NET Core CVE-2026-40372 Privilege Escalation Bug

22 April 2026 at 09:29
Microsoft has released out-of-band updates to address a security vulnerability in ASP.NET Core that could allow an attacker to escalate privileges. The vulnerability, tracked as CVE-2026-40372, carries a CVSS score of 9.1 out of 10.0. It's rated Important in severity. An anonymous researcher has been credited with discovering and reporting the flaw. "Improper verification of cryptographic

Mustang Panda’s New LOTUSLITE Variant Targets India Banks, South Korea Policy Circles

22 April 2026 at 07:58
Cybersecurity researchers have discovered a new variant of a known malware called LOTUSLITE that's distributed via a theme related to India's banking sector. "The backdoor communicates with a dynamic DNS-based command-and-control server over HTTPS and supports remote shell access, file operations, and session management, indicating a continued espionage-focused capability set rather than

Cohere AI Terrarium Sandbox Flaw Enables Root Code Execution, Container Escape

22 April 2026 at 07:16
A critical security vulnerability has been disclosed in a Python-based sandbox called Terrarium that could result in arbitrary code execution. The vulnerability, tracked as CVE-2026-5752, is rated 9.3 on the CVSS scoring system. "Sandbox escape vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal," according to

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

21 April 2026 at 18:18
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 at 15:46
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

Ransomware Negotiator Pleads Guilty to Aiding BlackCat Attacks in 2023

21 April 2026 at 14:31
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

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

21 April 2026 at 13:00
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.Β  The root cause of slow MTTR is almost never "not enough analysts." It is almost always the same structural problem: threat intelligence that exists

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

21 April 2026 at 11:30
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

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

21 April 2026 at 10:40
Cybersecurity researchers have discovered a new iteration of an Android malware family calledΒ NGateΒ that has been found to abuse a legitimate application calledΒ 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 LukΓ‘Ε‘ Ε tefanko said in a

Google Patches Antigravity IDE Flaw Enabling Prompt Injection Code Execution

21 April 2026 at 10:22
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

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

21 April 2026 at 06:23
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 at 17:14
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

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