Security News > 2023 > February

Cisco has rolled out security updates to address a critical flaw reported in the ClamAV open source antivirus engine that could lead to remote code execution on susceptible devices."This vulnerability is due to a missing buffer size check that may result in a heap buffer overflow write," Cisco Talos said in an advisory.

Norwegian authorities announced on Thursday that they had recovered $5.9 million of cryptocurrency stolen in the Axie Infinity hack - an incident widely held to have been perpetrated by the Lazarus Group, which has links to North Korea. The Norwegian National Authority for Investigation and Prosecution of Economic and Environmental Crime has called the seizure among the largest ever money seizures - and the largest-ever related to crypto - made by Norway.

In this role, Bhagwat will lead the evolution, growth, and expansion of the Entrust Digital Security portfolio, which includes solutions for data encryption, public and private certificate authorities, identity and access management, digital signing, and security policy management. In this insightful Help Net Security interview, Bhagwat delves into the ever-evolving landscape of digital security solutions, shedding light on the latest trends and advancements in the field.

In this Help Net Security video, Daniel Dos Santos, Head of Security Research at Forescout, talks about recent research, which has revealed how attackers can move laterally between vulnerable networks and devices found at the controller level of critical infrastructure. This lateral movement lets attackers access industrial control systems and cross often-overlooked security perimeters to cause physical damage.

Cyber-physical system vulnerabilities disclosed in the second half of 2022 have declined by 14% since hitting a peak during 2H 2021, while vulnerabilities found by internal research and product security teams have increased by 80% over the same time period, according to Claroty. These findings indicate that security researchers are having a positive impact on strengthening the security of the Extended Internet of Things, a vast network of cyber-physical systems across industrial, healthcare, and commercial environments, and that XIoT vendors are dedicating more resources to examining the security and safety of their products than ever before.

Google this week reversed an overhaul of one of its security-related file formats after the transition broke Android apps. In November, 2021, Google announced changes to the format of its Chrome Certificate Transparency log list file and, in August, 2022, notified developers whose apps might be affected that it would stop publishing legacy log list files on October 17, 2022.

A new Mirai botnet variant tracked as 'V3G4' targets 13 vulnerabilities in Linux-based servers and IoT devices to use in DDoS attacks. The malware spreads by brute-forcing weak or default telnet/SSH credentials and exploiting hardcoded flaws to perform remote code execution on the target devices.

A new malware dubbed 'ProxyShellMiner' exploits the Microsoft Exchange ProxyShell vulnerabilities to deploy cryptocurrency miners throughout a Windows domain to generate profit for the attackers. ProxyShell is the name of three Exchange vulnerabilities discovered and fixed by Microsoft in 2021.

Scandinavian Airlines has posted a notice warning passengers that a recent multi-hour outage of its website and mobile app was caused by a cyberattack that also exposed customer data. The cyberattack caused some form of a malfunction on the airline's online system, causing passenger data to become visible to other passengers.

Microsoft is sorting through two issues with Windows Server 2022 that affect VMware virtual machines and updates not getting passed on to Windows 11 devices. Both problems are related to the KB5022842 security update to Windows Server 2022 rolled out February 14 and will spread their share of headaches to users.