The Hacker News

A "dangerous piece of functionality" has been discovered in Microsoft 365 suite that could be potentially abused by a malicious actor to ransom files stored on SharePoint and OneDrive and launch attacks on cloud infrastructure. The cloud ransomware attack makes it possible to launch file-encrypting malware to "encrypt files stored on SharePoint and OneDrive in a way that makes them unrecoverable

Cybersecurity researchers have detailed a recently patched high-severity security vulnerability in the popular Fastjson library that could be potentially exploited to achieve remote code execution. Tracked as CVE-2022-25845 (CVSS score: 8.1), the issue relates to a case of deserialization of untrusted data in a supported feature called "AutoType." It was patched by the project maintainers in

A new strain of Android malware has been spotted in the wild targeting online banking and cryptocurrency wallet customers in Spain and Italy, just weeks after a coordinated law enforcement operation dismantled FluBot. The information stealing trojan, codenamed MaliBot by F5 Labs, is as feature-rich as its counterparts, allowing it to steal credentials and cookies, bypass multi-factor

Cisco on Wednesday rolled out fixes to address a critical security flaw affecting Email Security Appliance (ESA) and Secure Email and Web Manager that could be exploited by an unauthenticated, remote attacker to sidestep authentication. Assigned the CVE identifier CVE-2022-20798, the bypass vulnerability is rated 9.8 out of a maximum of 10 on the CVSS scoring system and stems from improper

A new Golang-based peer-to-peer (P2P) botnet has been spotted actively targeting Linux servers in the education sector since its emergence in March 2022. Dubbed Panchan by Akamai Security Research, the malware "utilizes its built-in concurrency features to maximize spreadability and execute malware modules" and "harvests SSH keys to perform lateral movement." <!--adsense--> The feature-packed

A newly discovered security vulnerability in modern Intel and AMD processors could let remote attackers steal encryption keys via a power side channel attack. Dubbed Hertzbleed by a group of researchers from the University of Texas, University of Illinois Urbana-Champaign, and the University of Washington, the issue is rooted in dynamic voltage and frequency scaling (DVFS), power and thermal

Breaches don't just happen to large enterprises. Threat actors are increasingly targeting small businesses. In fact, 43% of data breaches involved small to medium-sized businesses. But there is a glaring discrepancy. Larger businesses typically have the budget to keep their lights on if they are breached. Most small businesses (83%), however, don't have the financial resources to recover if they

Cloudflare on Tuesday disclosed that it had acted to prevent a record-setting 26 million request per second (RPS) distributed denial-of-service (DDoS) attack last week, making it the largest HTTPS DDoS attack detected to date. The web performance and security company said the attack was directed against an unnamed customer website using its Free plan and emanated from a "powerful" botnet of

Microsoft officially released fixes to address an actively exploited Windows zero-day vulnerability known as Follina as part of its Patch Tuesday updates. Also addressed by the tech giant are 55 other flaws, three of which are rated Critical, 51 are rated Important, and one is rated Moderate in severity. Separately, five other shortcomings were resolved in the Microsoft Edge browser. <!-

A new high-severity vulnerability has been disclosed in the Zimbra email suite that, if successfully exploited, enables an unauthenticated attacker to steal cleartext passwords of users sans any user interaction. "With the consequent access to the victims' mailboxes, attackers can potentially escalate their access to targeted organizations and gain access to various internal services and steal