Category: Cyber Security

Cybersecurity researchers have revealed that RansomHub‘s online infrastructure has “inexplicably” gone offline as of April 1, 2025, prompting concerns among affiliates of the ransomware-as-a-service (RaaS) operation. Singaporean cybersecurity company Group-IB said that this may have caused affiliates to migrate to Qilin, given that “disclosures on its DLS [data leak site] have doubled since February.” RansomHub, […]

Apr 29, 2025Ravie LakshmananArtificial Intelligence / Data Protection Popular messaging app WhatsApp on Tuesday unveiled a new technology called Private Processing to enable artificial intelligence (AI) capabilities in a privacy-preserving manner. “Private Processing will allow users to leverage powerful optional AI features – like summarizing unread messages or editing help – while preserving WhatsApp’s core […]

Various generative artificial intelligence (GenAI) services have been found vulnerable to two types of jailbreak attacks that make it possible to produce illicit or dangerous content. The first of the two techniques, codenamed Inception, instructs an AI tool to imagine a fictitious scenario, which can then be adapted into a second scenario within the first […]

Cybersecurity company SentinelOne has revealed that a China-nexus threat cluster dubbed PurpleHaze conducted reconnaissance attempts against its infrastructure and some of its high-value customers. “We first became aware of this threat cluster during a 2024 intrusion conducted against an organization previously providing hardware logistics services for SentinelOne employees,” security researchers Tom Hegel, Aleksandar Milenkoski, and […]

Find out how Reco keeps Microsoft 365 Copilot safe by spotting risky prompts, protecting data, managing user access, and identifying threats – all while keeping productivity high. Microsoft 365 Copilot promises to boost productivity by turning natural language prompts into actions. Employees can generate reports, comb through data, or get instant answers just by asking […]

Apr 29, 2025Ravie LakshmananEnterprise Security / Vulnerability Google has revealed that it observed 75 zero-day vulnerabilities exploited in the wild in 2024, down from 98 in 2023. Of the 75 zero-days, 44% of them targeted enterprise products. As many as 20 flaws were identified in security software and appliances. “Zero-day exploitation of browsers and mobile […]

Apr 29, 2025Ravie LakshmananCybersecurity / Malware In a new campaign detected in March 2025, senior members of the World Uyghur Congress (WUC) living in exile have been targeted by a Windows-based malware that’s capable of conducting surveillance. The spear-phishing campaign involved the use of a trojanized version of a legitimate open-source word processing and spell […]

Apr 29, 2025Ravie LakshmananVulnerability / Web Security The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added two high-severity security flaws impacting Broadcom Brocade Fabric OS and Commvault Web Server to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation in the wild. The vulnerabilities in question are listed below – CVE-2025-1976 […]

Apr 28, 2025Ravie LakshmananCybersecurity / Hacking News What happens when cybercriminals no longer need deep skills to breach your defenses? Today’s attackers are armed with powerful tools that do the heavy lifting — from AI-powered phishing kits to large botnets ready to strike. And they’re not just after big corporations. Anyone can be a target […]

Not every security vulnerability is high risk on its own – but in the hands of an advanced attacker, even small weaknesses can escalate into major breaches. These five real vulnerabilities, uncovered by Intruder’s bug-hunting team, reveal how attackers turn overlooked flaws into serious security incidents. 1. Stealing AWS Credentials with a Redirect Server-Side Request […]

Government and telecommunications sectors in Southeast Asia have become the target of a “sophisticated” campaign undertaken by a new advanced persistent threat (APT) group called Earth Kurma since June 2024. The attacks, per Trend Micro, have leveraged custom malware, rootkits, and cloud storage services for data exfiltration. The Philippines, Vietnam, Thailand, and Malaysia are among […]

Apr 28, 2025Ravie LakshmananWebsite Security / Malware Cybersecurity researchers are warning about a large-scale phishing campaign targeting WooCommerce users with a fake security alert urging them to download a “critical patch” but deploy a backdoor instead. WordPress security company Patchstack described the activity as sophisticated and a variant of another campaign observed in December 2023 […]

Apr 27, 2025Ravie LakshmananKubernetes / Cloud Security Microsoft has revealed that a threat actor it tracks as Storm-1977 has conducted password spraying attacks against cloud tenants in the education sector over the past year. “The attack involves the use of AzureChecker.exe, a Command Line Interface (CLI) tool that is being used by a wide range […]

Apr 26, 2025Ravie LakshmananMalware / Vulnerability Cybersecurity researchers have detailed the activities of an initial access broker (IAB) dubbed ToyMaker that has been observed handing over access to double extortion ransomware gangs like CACTUS. The IAB has been assessed with medium confidence to be a financially motivated threat actor, scanning for vulnerable systems and deploying […]

North Korea-linked threat actors behind the Contagious Interview have set up front companies as a way to distribute malware during the fake hiring process. “In this new campaign, the threat actor group is using three front companies in the cryptocurrency consulting industry—BlockNovas LLC (blocknovas[.] com), Angeloper Agency (angeloper[.]com), and SoftGlide LLC (softglide[.]co)—to spread malware via […]

Apr 25, 2025Ravie LakshmananVulnerability / Enterprise Security Threat actors are likely exploiting a new vulnerability in SAP NetWeaver to upload JSP web shells with the goal of facilitating unauthorized file uploads and code execution. “The exploitation is likely tied to either a previously disclosed vulnerability like CVE-2017-9844 or an unreported remote file inclusion (RFI) issue,” […]

When we talk about identity in cybersecurity, most people think of usernames, passwords, and the occasional MFA prompt. But lurking beneath the surface is a growing threat that does not involve human credentials at all, as we witness the exponential growth of Non-Human Identities (NHIs). At the top of mind when NHIs are mentioned, most […]

Apr 25, 2025Ravie LakshmananVulnerability / Data Breach Cybersecurity researchers have disclosed three security flaws in the Rack Ruby web server interface that, if successfully exploited, could enable attackers to gain unauthorized access to files, inject malicious data, and tamper with logs under certain conditions. The vulnerabilities, flagged by cybersecurity vendor OPSWAT, are listed below – […]

Apr 25, 2025Ravie LakshmananVulnerability / Network Security Cybersecurity researchers are warning about a new malware called DslogdRAT that’s installed following the exploitation of a now-patched security flaw in Ivanti Connect Secure (ICS). The malware, along with a web shell, were “installed by exploiting a zero-day vulnerability at that time, CVE-2025-0282, during attacks against organizations in […]

Apr 24, 2025Ravie LakshmananMalware / Threat Intelligence At least six organizations in South Korea have been targeted by the prolific North Korea-linked Lazarus Group as part of a campaign dubbed Operation SyncHole. The activity targeted South Korea’s software, IT, financial, semiconductor manufacturing, and telecommunications industries, according to a report from Kaspersky published today. The earliest […]

Apr 24, 2025Ravie LakshmananVulnerability / Threat Intelligence As many as 159 CVE identifiers have been flagged as exploited in the wild in the first quarter of 2025, up from 151 in Q4 2024. “We continue to see vulnerabilities being exploited at a fast pace with 28.3% of vulnerabilities being exploited within 1-day of their CVE […]

Apr 24, 2025Ravie LakshmananEndpoint Security / Linux Cybersecurity researchers have demonstrated a proof-of-concept (PoC) rootkit dubbed Curing that leverages a Linux asynchronous I/O mechanism called io_uring to bypass traditional system call monitoring. This causes a “major blind spot in Linux runtime security tools,” ARMO said. “This mechanism allows a user application to perform various actions […]

Apr 24, 2025Ravie LakshmananPhishing / Cybercrime The threat actors behind the Darcula phishing-as-a-service (PhaaS) platform have released new updates to their cybercrime suite with generative artificial intelligence (GenAI) capabilities. “This addition lowers the technical barrier for creating phishing pages, enabling less tech-savvy criminals to deploy customized scams in minutes,” Netcraft said in a new report […]

The Evolving Healthcare Cybersecurity Landscape Healthcare organizations face unprecedented cybersecurity challenges in 2025. With operational technology (OT) environments increasingly targeted and the convergence of IT and medical systems creating an expanded attack surface, traditional security approaches are proving inadequate. According to recent statistics, the healthcare sector experienced a record-breaking year for data breaches in 2024, […]

Apr 24, 2025Ravie LakshmananData Breach / Vulnerability A critical security flaw has been disclosed in the Commvault Command Center that could allow arbitrary code execution on affected installations. The vulnerability, tracked as CVE-2025-34028, carries a CVSS score of 9.0 out of a maximum of 10.0. “A critical security vulnerability has been identified in the Command […]

Apr 24, 2025Ravie LakshmananData Protection / Artificial Intelligence WhatsApp has introduced an extra layer of privacy called Advanced Chat Privacy that allows users to block participants from sharing the contents of a conversation in traditional chats and groups. “This new setting available in both chats and groups helps prevent others from taking content outside of […]

Apr 23, 2025Ravie LakshmananMalware / Cryptocurrency Multiple threat activity clusters with ties to North Korea (aka Democratic People’s Republic of Korea or DPRK) have been linked to attacks targeting organizations and individuals in the Web3 and cryptocurrency space. “The focus on Web3 and cryptocurrency appears to be primarily financially motivated due to the heavy sanctions […]

The Iran-nexus threat actor known as UNC2428 has been observed delivering a backdoor known as MURKYTOUR as part of a job-themed social engineering campaign aimed at Israel in October 2024. Google-owned Mandiant described UNC2428 as a threat actor aligned with Iran that engages in cyber espionage-related operations. The intrusion set is said to have distributed […]

Apr 23, 2025Ravie LakshmananSpyware / Mobile Security Cybersecurity researchers have revealed that Russian military personnel are the target of a new malicious campaign that distributes Android spyware under the guise of the Alpine Quest mapping software. “The attackers hide this trojan inside modified Alpine Quest mapping software and distribute it in various ways, including through […]

Phishing attacks remain a huge challenge for organizations in 2025. In fact, with attackers increasingly leveraging identity-based techniques over software exploits, phishing arguably poses a bigger threat than ever before. Attackers are increasingly leveraging identity-based techniques over software exploits, with phishing and stolen credentials (a byproduct of phishing) now the primary cause of breaches. Source: […]