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Amid renewed tensions between the U.S. and Russia over  Ukraine  and  Kazakhstan , American cybersecurity and intelligence agencies on Tuesday released a joint advisory on how to detect, respond to, and mitigate cyberattacks orchestrated by Russian state-sponsored actors. To that end, the Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), and National Security Agency (NSA) have laid bare the tactics, techniques, and procedures (TTPs) adopted by the adversaries, including spear-phishing, brute-force, and  exploiting known vulnerabilities  to gain initial access to target networks. The list of flaws exploited by Russian hacking groups to gain an initial foothold, which the agencies said are "common but effective," are below — CVE-2018-13379  (FortiGate VPNs) CVE-2019-1653  (Cisco router) CVE-2019-2725  (Oracle WebLogic Server) CVE-2019-7609  (Kibana) CVE-2019-9670  (Zimbra software) C...

Microsoft on Tuesday kicked off its first set of updates for 2022 by  plugging 96 security holes  across its software ecosystem, while urging customers to prioritize patching for what it calls a critical "wormable" vulnerability. Of the 96 vulnerabilities, nine are rated Critical and 89 are rated Important in severity, with six zero-day publicly known at the time of the release. This is in addition to  29 issues  patched in Microsoft Edge on January 6, 2022. None of the disclosed bugs are listed as under attack. The patches cover a swath of the computing giant's portfolio, including Microsoft Windows and Windows Components, Exchange Server, Microsoft Office and Office Components, SharePoint Server, .NET Framework, Microsoft Dynamics, Open-Source Software, Windows Hyper-V, Windows Defender, and Windows Remote Desktop Protocol (RDP). Chief among them is  CVE-2022-21907  (CVSS score: 9.8), a remote code execution vulnerability rooted in the HTTP Protocol S...

With the last month of 2021 dominated by the log4J vulnerabilities discovery, publication, and patches popping up in rapid succession, odds are you have patched your system against Log4J exploitation attempts. At least some systems, if not all. You might even have installed the latest patch – at the time of writing, that is 2.17.1, but, if the last rapid patching cycle persists, it might have changed by the time this is published. In the meantime, defenders might have been working overtime to plug Log4J born security gaps, but so did cyber-attackers. Log4J’s well-deserved fame also alerted cyber-attackers to a potential entry pathway into their target. And, while log4J will hopefully vanish from the headlines,  cyber-attackers are likely to continue trying to exploit it  in the hope of finding unpatched or incompletely patched targets. As human error still accounts  for 95% of all security breaches , cyber-attackers actively rely on these human errors to exploit them a...

Cybersecurity researchers have detailed a high severity flaw in KCodes NetUSB component that's integrated into millions of end-user router devices from Netgear, TP-Link, Tenda, EDiMAX, D-Link, and Western Digital, among others. KCodes  NetUSB  is a Linux kernel module that enables devices on a local network to provide USB-based services over IP. Printers, external hard drives, and flash drives plugged into a Linux-based embedded system (e.g., a router) are made available via the network using the driver. CVE-2021-45608  (CVSS score: 9.8), as the security flaw is tracked as, relates to a  buffer overflow vulnerability  that, if successfully exploited, can allow attackers to execute code remotely in the kernel and perform malicious activities of their choice, according to a  report  shared by SentinelOne with The Hacker News. This is the latest in a string of NetUSB vulnerabilities that has been patched in recent years. In May 2015, researchers from...

Moxie Marlinspike, the founder of the popular encrypted instant messaging service Signal, has announced that he is stepping down as the chief executive of the non-profit in a move that has been underway over the last few months. "In other words, after a decade or more, it's difficult to overstate how important Signal is to me, but I now feel very comfortable replacing myself as CEO based on the team we have, and also believe that it is an important step for expanding on Signal's success," Marlinspike  said  in a blog post on Monday. Executive chairman and WhatsApp co-founder Brian Acton, who famously urged users to #DeleteFacebook in March 2018 and founded the Signal Foundation along with Marlinspike after he walked away from the social media giant in 2017 over a conflict with Facebook's plans to monetize WhatsApp, will serve as the interim CEO while the search for a replacement is on. Founded in July 2014, Signal has more than 40 million monthly users, in ...