Category: Cyber Security

Jun 25, 2025Ravie LakshmananVulnerability / Network Security Citrix has released security updates to address a critical flaw affecting NetScaler ADC that it said has been exploited in the wild. The vulnerability, tracked as CVE-2025-6543, carries a CVSS score of 9.2 out of a maximum of 10.0. It has been described as a case of memory […]

Jun 25, 2025Ravie LakshmananSaaS Security / Vulnerability New research has uncovered continued risk from a known security weakness in Microsoft’s Entra ID, potentially enabling malicious actors to achieve account takeovers in susceptible software-as-a-service (SaaS) applications. Identity security company Semperis, in an analysis of 104 SaaS applications, found nine of them to be vulnerable to Entra […]

Jun 25, 2025Ravie LakshmananData Privacy / Vulnerability Cybersecurity researchers have detailed two now-patched security flaws in SAP Graphical User Interface (GUI) for Windows and Java that, if successfully exploited, could have enabled attackers to access sensitive information under certain conditions. The vulnerabilities, tracked as CVE-2025-0055 and CVE-2025-0056 (CVSS scores: 6.0), were patched by SAP as […]

Jun 25, 2025Ravie LakshmananVPN Security / Malware Unknown threat actors have been distributing a trojanized version of SonicWall’s SSL VPN NetExtender application to steal credentials from unsuspecting users who may have installed it. “NetExtender enables remote users to securely connect and run applications on the company network,” SonicWall researcher Sravan Ganachari said. “Users can upload […]

Thousands of personal records allegedly linked to athletes and visitors of the Saudi Games have been published online by a pro-Iranian hacktivist group called Cyber Fattah. Cybersecurity company Resecurity said the breach was announced on Telegram on June 22, 2025, in the form of SQL database dumps, characterizing it as an information operation “carried out […]

If you invite guest users into your Entra ID tenant, you may be opening yourself up to a surprising risk. A gap in access control in Microsoft Entra’s subscription handling is allowing guest users to create and transfer subscriptions into the tenant they are invited into, while maintaining full ownership of them. All the guest […]

Jun 25, 2025Ravie LakshmananMalware / Open Source Cybersecurity researchers have uncovered a fresh batch of malicious npm packages linked to the ongoing Contagious Interview operation originating from North Korea. According to Socket, the ongoing supply chain attack involves 35 malicious packages that were uploaded from 24 npm accounts. These packages have been collectively downloaded over […]

Jun 25, 2025Ravie LakshmananEndpoint Security / IT Management Microsoft on Tuesday announced that it’s extending Windows 10 Extended Security Updates (ESU) for an extra year by letting users either pay a small fee of $30 or by sync their PC settings to the cloud. The development comes ahead of the tech giant’s upcoming October 14, […]

Jun 24, 2025Ravie LakshmananSocial Media / Privacy The United States Embassy in India has announced that applicants for F, M, and J nonimmigrant visas should make their social media accounts public. The new guideline seeks to help officials verify the identity and eligibility of applicants under U.S. law. The U.S. Embassy said every visa application […]

Jun 24, 2025Ravie LakshmananMalware / Cryptocurrency Cybersecurity researchers have detailed two novel methods that can be used to disrupt cryptocurrency mining botnets. The methods take advantage of the design of various common mining topologies in order to shut down the mining process, Akamai said in a new report published today. “We developed two techniques by […]

Jun 24, 2025Ravie LakshmananVulnerability / Malware Unidentified threat actors have been observed targeting publicly exposed Microsoft Exchange servers to inject malicious code into the login pages that harvest their credentials. Positive Technologies, in a new analysis published last week, said it identified two different kinds of keylogger code written in JavaScript on the Outlook login […]

Jun 24, 2025Ravie LakshmananData Protection / Mobile Security The U.S. House of Representatives has formally banned congressional staff members from using WhatsApp on government-issued devices, citing security concerns. The development was first reported by Axios. The decision, according to the House Chief Administrative Officer (CAO), was motivated by worries about the app’s security. “The Office […]

Jun 24, 2025Ravie LakshmananMalware / Threat Intelligence The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of a new cyber attack campaign by the Russia-linked APT28 (aka UAC-0001) threat actors using Signal chat messages to deliver two new malware families dubbed BEARDSHELL and COVENANT. BEARDSHELL, per CERT-UA, is written in C++ and offers the […]

Jun 24, 2025Ravie LakshmananThreat Exposure Management I had the honor of hosting the first episode of the Xposure Podcast live from Xposure Summit 2025. And I couldn’t have asked for a better kickoff panel: three cybersecurity leaders who don’t just talk security, they live it. Let me introduce them. Alex Delay, CISO at IDB Bank, […]

Jun 24, 2025Ravie LakshmananCloud Security / Cryptojacking Misconfigured Docker instances are the target of a campaign that employs the Tor anonymity network to stealthily mine cryptocurrency in susceptible environments. “Attackers are exploiting misconfigured Docker APIs to gain access to containerized environments, then using Tor to mask their activities while deploying crypto miners,” Trend Micro researchers […]

Jun 24, 2025Ravie LakshmananCyber Espionage / Chinese Hackers The Canadian Centre for Cyber Security and the U.S. Federal Bureau of Investigation (FBI) have issued an advisory warning of cyber attacks mounted by the China-linked Salt Typhoon actors to breach major global telecommunications providers as part of a cyber espionage campaign. The attackers exploited a critical […]

Jun 23, 2025Ravie LakshmananHacktivism / Cyber Warfare The United States government has warned of cyber attacks mounted by pro-Iranian groups after it launched airstrikes on Iranian nuclear sites as part of the Iran–Israel war that commenced on June 13, 2025. Stating that the ongoing conflict has created a “heightened threat environment” in the country, the […]

Jun 23, 2025Ravie LakshmananLLM Security / AI Security Cybersecurity researchers are calling attention to a new jailbreaking method called Echo Chamber that could be leveraged to trick popular large language models (LLMs) into generating undesirable responses, irrespective of the safeguards put in place. “Unlike traditional jailbreaks that rely on adversarial phrasing or character obfuscation, Echo […]

Jun 23, 2025Ravie LakshmananCyber Espionage / Vulnerability Cybersecurity researchers have uncovered a Go-based malware called XDigo that has been used in attacks targeting Eastern European governmental entities in March 2025. The attack chains are said to have leveraged a collection of Windows shortcut (LNK) files as part of a multi-stage procedure to deploy the malware, […]

It sure is a hard time to be a SOC analyst. Every day, they are expected to solve high-consequence problems with half the data and twice the pressure. Analysts are overwhelmed—not just by threats, but by the systems and processes in place that are meant to help them respond. Tooling is fragmented. Workflows are heavy. […]

Google has revealed the various safety measures that are being incorporated into its generative artificial intelligence (AI) systems to mitigate emerging attack vectors like indirect prompt injections and improve the overall security posture for agentic AI systems. “Unlike direct prompt injections, where an attacker directly inputs malicious commands into a prompt, indirect prompt injections involve […]

Not every risk looks like an attack. Some problems start as small glitches, strange logs, or quiet delays that don’t seem urgent—until they are. What if your environment is already being tested, just not in ways you expected? Some of the most dangerous moves are hidden in plain sight. It’s worth asking: what patterns are […]

Jun 21, 2025Ravie LakshmananCyber Attack / Critical Infrastructure The April 2025 cyber attacks targeting U.K. retailers Marks & Spencer and Co-op have been classified as a “single combined cyber event.” That’s according to an assessment from the Cyber Monitoring Centre (CMC), a U.K.-based independent, non-profit body set up by the insurance industry to categorize major […]

The threat actors behind the Qilin ransomware-as-a-service (RaaS) scheme are now offering legal counsel for affiliates to put more pressure on victims to pay up, as the cybercrime group intensifies its activity and tries to fill the void left by its rivals. The new feature takes the form of a “Call Lawyer” feature on the […]

Jun 20, 2025Ravie LakshmananCyber Warfare / Hacktivism Iran’s state-owned TV broadcaster was hacked Wednesday night to interrupt regular programming and air videos calling for street protests against the Iranian government, according to multiple reports. It’s currently not known who is behind the attack, although Iran pointed fingers at Israel, per Iran International. “If you experience […]

Hackers never sleep, so why should enterprise defenses? Threat actors prefer to target businesses during off-hours. That’s when they can count on fewer security personnel monitoring systems, delaying response and remediation. When retail giant Marks & Spencer experienced a security event over Easter weekend, they were forced to shut down their online operations, which account […]

Cloudflare on Thursday said it autonomously blocked the largest ever distributed denial-of-service (DDoS) attack ever recorded, which hit a peak of 7.3 terabits per second (Tbps). The attack, which was detected in mid-May 2025, targeted an unnamed hosting provider. “Hosting providers and critical Internet infrastructure have increasingly become targets of DDoS attacks,” Cloudflare’s Omer Yoachimik […]

Cybersecurity researchers have uncovered a new campaign in which the threat actors have published more than 67 GitHub repositories that claim to offer Python-based hacking tools, but deliver trojanized payloads instead. The activity, codenamed Banana Squad by ReversingLabs, is assessed to be a continuation of a rogue Python campaign that was identified in 2023 as […]

Cybersecurity researchers have exposed the inner workings of an Android malware called AntiDot that has compromised over 3,775 devices as part of 273 unique campaigns. “Operated by the financially motivated threat actor LARVA-398, AntiDot is actively sold as a Malware-as-a-Service (MaaS) on underground forums and has been linked to a wide range of mobile campaigns,” […]

The North Korea-aligned threat actor known as BlueNoroff has been observed targeting an employee in the Web3 sector with deceptive Zoom calls featuring deepfaked company executives to trick them into installing malware on their Apple macOS devices. Huntress, which revealed details of the cyber intrusion, said the attack targeted an unnamed cryptocurrency foundation employee, who […]