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2 Min Read

March 28, 2026

Citrix NetScaler Under Active Recon for CVE-2026-3055 (CVSS 9.3) Memory Overread Bug

A recently disclosed critical security flaw impacting Citrix NetScaler ADC and NetScaler Gateway is witnessing active reconnaissance activity, according t…

3 Min Read

March 28, 2026

CISA Adds CVE-2025-53521 to KEV After Active F5 BIG-IP APM Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on…

3 Min Read

March 28, 2026

TA446 Deploys DarkSword iOS Exploit Kit in Targeted Spear-Phishing Campaign

Proofpoint has disclosed details of a targeted email campaign in which…

2 Min Read

March 27, 2026

Apple Sends Lock Screen Alerts to Outdated iPhones Over Active Web-Based Exploits

Apple is now sending Lock Screen notifications to iPhones and iPads…

5 Min Read

March 27, 2026

TeamPCP Pushes Malicious Telnyx Versions to PyPI, Hides Stealer in WAV Files

TeamPCP, the threat actor behind the supply chain attack targeting Trivy, KICS, and litellm, has now compromised the telnyx Python package by…

2 Min Read

March 27, 2026

Open VSX Bug Let Malicious VS Code Extensions Bypass Pre-Publish Security Checks

Cybersecurity researchers have disclosed details of a now-patched bug impacting Open VSX's pre-publish scanning pipeline to cause the tool to…

2 Min Read

March 27, 2026

AitM Phishing Targets TikTok Business Accounts Using Cloudflare Turnstile Evasion

Threat actors are using adversary-in-the-middle (AitM) phishing pages to seize control of TikTok for Business accounts in a new campaign,…

10 Min Read

March 27, 2026

We Are At War

Rising geopolitical tensions are reflected (or in some cases preceded) by cyber operations, while technology itself has become politicized.…

2 Min Read

March 27, 2026

Bearlyfy Hits Russian Firms with Custom GenieLocker Ransomware

A pro-Ukrainian group called Bearlyfy has been attributed to more than 70 cyber attacks targeting Russian companies since it first surfaced in…

2 Min Read

March 27, 2026

LangChain, LangGraph Flaws Expose Files, Secrets, Databases in Widely Used AI Frameworks

Cybersecurity researchers have disclosed three security vulnerabilities impacting LangChain and LangGraph that, if successfully exploited,…

1 Min Read

March 26, 2026

[Webinar] Stop Guessing. Learn to Validate Your Defenses Against Real Attacks

Most teams have security tools in place. Alerts are firing, dashboards look clean, threat intel is flowing in. On the surface, everything…

2 Min Read

March 26, 2026

Claude Extension Flaw Enabled Zero-Click XSS Prompt Injection via Any Website

Cybersecurity researchers have disclosed a vulnerability in Anthropic's Claude Google Chrome Extension that could have been exploited to…

6 Min Read

March 26, 2026

Masters of Imitation: How Hackers and Art Forgers Perfect the Art of Deception

Unmasking impostors is something the art world has faced for decades, and there are valuable lessons from the works of Elmyr de Hory that can…

15 Min Read

March 26, 2026

ThreatsDay Bulletin: PQC Push, AI Vuln Hunting, Pirated Traps, Phishing Kits & 20 More Stories

Some weeks in security feel loud. This one feels sneaky. Less big dramatic fireworks, more of that slow creeping sense that too many people…

3 Min Read

March 26, 2026

Coruna iOS Kit Reuses 2023 Triangulation Exploit Code in New Mass Attacks

The kernel exploit for two security vulnerabilities used in the recently uncovered Apple iOS exploit kit known as Coruna is an updated version…

4 Min Read

March 25, 2026

GlassWorm Malware Uses Solana Dead Drops to Deliver RAT and Steal Browser, Crypto Data

Cybersecurity researchers have flagged a new evolution of the GlassWorm campaign that delivers a multi-stage framework capable of…

5 Min Read

March 25, 2026

The Kill Chain Is Obsolete When Your AI Agent Is the Threat

In September 2025, Anthropic disclosed that a state-sponsored threat actor used an AI coding agent to execute an autonomous cyber espionage…

2 Min Read

March 25, 2026

Russian Hacker Sentenced to 2 Years for TA551 Botnet-Driven Ransomware Attacks

The U.S. Department of Justice (DoJ) said a Russian national has been sentenced to two years in prison for managing a botnet that was used to…

4 Min Read

March 24, 2026

Ghost Campaign Uses 7 npm Packages to Steal Crypto Wallets and Credentials

Cybersecurity researchers have uncovered a new set of malicious npm packages that are designed to steal cryptocurrency wallets and sensitive…

8 Min Read

March 24, 2026

5 Learnings from the First-Ever Gartner Market Guide for Guardian Agents

On February 25, 2026, Gartner published its inaugural Market Guide for Guardian Agents, marking an important milestone for this emerging…

4 Min Read

March 24, 2026

TeamPCP Hacks Checkmarx GitHub Actions Using Stolen CI Credentials

Two more GitHub Actions workflows have become the latest to be compromised by credential-stealing malware by a threat actor known as TeamPCP,…

4 Min Read

March 24, 2026

The Hidden Cost of Cybersecurity Specialization: Losing Foundational Skills

Cybersecurity has changed fast. Roles are more specialized, and tooling is more advanced. On paper, this should make organizations more…

14 Min Read

March 23, 2026

⚡ Weekly Recap: CI/CD Backdoor, FBI Buys Location Data, WhatsApp Ditches Numbers & More

Another week, another reminder that the internet is still a mess. Systems people thought were secure are being broken in simple ways, showing…

5 Min Read

March 23, 2026

We Found Eight Attack Vectors Inside AWS Bedrock. Here's What Attackers Can Do with Them

AWS Bedrock is Amazon's platform for building AI-powered applications. It gives developers access to foundation models and the tools to…

5 Min Read

March 23, 2026

Microsoft Warns IRS Phishing Hits 29,000 Users, Deploys RMM Malware

Microsoft has warned of fresh campaigns that are capitalizing on the upcoming tax season in the U.S. to harvest credentials and deliver…

3 Min Read

March 21, 2026

FBI Warns Russian Hackers Target Signal, WhatsApp in Mass Phishing Attacks

Threat actors affiliated with Russian Intelligence Services are conducting phishing campaigns to compromise commercial messaging applications…

1 Min Read

March 21, 2026

Oracle Patches Critical CVE-2026-21992 Enabling Unauthenticated RCE in Identity Manager

Oracle has released security updates to address a critical security flaw impacting Identity Manager and Web Services Manager that could be…

4 Min Read

March 21, 2026

Trivy Supply Chain Attack Triggers Self-Spreading CanisterWorm Across 47 npm Packages

The threat actors behind the supply chain attack targeting the popular Trivy scanner are suspected to be conducting follow-on attacks that…

3 Min Read

March 21, 2026

CISA Flags Apple, Craft CMS, Laravel Bugs in KEV, Orders Patching by April 3, 2026

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added five security flaws impacting Apple, Craft CMS, and Laravel…

4 Min Read

March 20, 2026

Trivy Security Scanner GitHub Actions Breached, 75 Tags Hijacked to Steal CI/CD Secrets

Trivy, a popular open-source vulnerability scanner maintained by Aqua Security, was compromised a second time within the span of a month to…

4 Min Read

March 20, 2026

Critical Langflow Flaw CVE-2026-33017 Triggers Attacks within 20 Hours of Disclosure

A critical security flaw impacting Langflow has come under active exploitation within 20 hours of public disclosure, highlighting the speed at…

3 Min Read

March 20, 2026

Google Adds 24-Hour Wait for Unverified App Sideloading to Reduce Malware and Scams

Google on Thursday announced a new "advanced flow" for Android sideloading that requires a mandatory 24-hour wait period to install apps from…

4 Min Read

March 20, 2026

The Importance of Behavioral Analytics in AI-Enabled Cyber Attacks

Artificial Intelligence (AI) is changing how individuals and organizations conduct many activities, including how cybercriminals carry out…

2 Min Read

March 20, 2026

Magento PolyShell Flaw Enables Unauthenticated Uploads, RCE and Account Takeover

Sansec is warning of a critical security flaw in Magento's REST API that could allow unauthenticated attackers to upload arbitrary executables…

3 Min Read

March 20, 2026

DoJ Disrupts 3 Million-Device IoT Botnets Behind Record 31.4 Tbps Global DDoS Attacks

The U.S. Department of Justice (DoJ) on Thursday announced the disruption of command-and-control (C2) infrastructure used by several Internet…

2 Min Read

March 20, 2026

Apple Warns Older iPhones Vulnerable to Coruna, DarkSword Exploit Kit Attacks

Apple is urging users who are still running an outdated version of iOS to update their iPhones to secure against web-based attacks carried out…

2 Min Read

March 19, 2026

Speagle Malware Hijacks Cobra DocGuard to Steal Data via Compromised Servers

Cybersecurity researchers have flagged a new malware dubbed Speagle that hijacks the functionality and infrastructure of a legitimate program…

3 Min Read

March 19, 2026

54 EDR Killers Use BYOVD to Exploit 35 Signed Vulnerable Drivers and Disable Security

A new analysis of endpoint detection and response (EDR) killers has revealed that 54 of them leverage a technique known as bring your own…

10 Min Read

March 19, 2026

ThreatsDay Bulletin: FortiGate RaaS, Citrix Exploits, MCP Abuse, LiveChat Phish & More

ThreatsDay Bulletin is back on The Hacker News, and this week feels off in a familiar way. Nothing loud, nothing breaking everything at once.…

3 Min Read

March 19, 2026

New Perseus Android Banking Malware Monitors Notes Apps to Extract Sensitive Data

Cybersecurity researchers have disclosed a new Android malware family called Perseus that's being actively distributed in the wild with an aim…

7 Min Read

March 19, 2026

How Ceros Gives Security Teams Visibility and Control in Claude Code

Security teams have spent years building identity and access controls for human users and service accounts. But a new category of actor has…

6 Min Read

March 19, 2026

DarkSword iOS Exploit Kit Uses 6 Flaws, 3 Zero-Days for Full Device Takeover

A new exploit kit for Apple iOS devices designed to steal sensitive data from is being wielded by multiple threat actors since at least…

2 Min Read

March 18, 2026

Critical Unpatched Telnetd Flaw (CVE-2026-32746) Enables Unauthenticated Root RCE

Cybersecurity researchers have disclosed a critical security flaw impacting the GNU InetUtils telnet daemon (telnetd) that could be exploited…

5 Min Read

March 18, 2026

Claude Code Security and Magecart: Getting the Threat Model Right

When a Magecart payload hides inside the EXIF data of a dynamically loaded third-party favicon, no repository scanner will catch it –…

3 Min Read

March 18, 2026

9 Critical IP KVM Flaws Enable Unauthenticated Root Access Across Four Vendors

Cybersecurity researchers have warned about the risks posed by low-cost IP KVM (Keyboard, Video, Mouse over Internet Protocol) devices, which…

3 Min Read

March 17, 2026

LeakNet Ransomware Uses ClickFix via Hacked Sites, Deploys Deno In-Memory Loader

The ransomware operation known as LeakNet has adopted the ClickFix social engineering tactic delivered through compromised websites as an…

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