Malware

CISA Warns of Hurricane/Typhoon-Related Scams

CISA urges users to remain on alert for malicious cyber activity following a natural disaster such as a hurricane or typhoon, as attackers target potential disaster victims by leveraging social engineering tactics, techniques, and procedures (TTPs). Social engineering TTPs include phishing attacks that use email or malicious websites to solicit personal information by posing as a trustworthy organization, notably as charities providing relief. Exercise caution in handling emails with hurricane/typhoon-related subject lines, attachments, or hyperlinks…

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Microsoft links attacks on American critical infrastructure systems to China

Microsoft and a few American intelligence agencies have detected malware of Chinese origin deployed in critical infrastructure systems in Guam and elsewhere in the United States. The malicious activity, focused on post-compromise credential access and network security discovery, has been linked to Volt Typhoon, a state-sponsored threat actor in China. “Volt Typhoon has been active since mid-2021 and has targeted critical infrastructure organizations in Guam and elsewhere in the United States,” Microsoft said in a…

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Attributes of a mature cyber-threat intelligence program

Earlier this year, ESG published a research report focused on how enterprise organizations use threat intelligence as part of their overall cybersecurity strategy. The research project included a survey of 380 cybersecurity professionals working at enterprise organizations (i.e., more than 1,000 employees). Survey respondents were asked questions about their organization’s cyber-threat intelligence (CTI) program – how it was staffed, what types of skills were most important, its challenges and strategies, spending plans, etc. I’ve written…

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6 ways generative AI chatbots and LLMs can enhance cybersecurity

The rapid emergence of Open AI’s ChatGPT has been one of the biggest stories of the year, with the potential impact of generative AI chatbots and large language models (LLMs) on cybersecurity a key area of discussion. There’s been a lot of chatter about the security risks these new technologies could introduce — from concerns about sharing sensitive business information with advanced self-learning algorithms to malicious actors using them to significantly enhance attacks. Some countries,…

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SMBs and regional MSPs are increasingly targeted by state-sponsored APT groups

Advanced persistent threat (APT) attacks were once mainly a concern for large corporations in industries that presented cyberespionage interest. That’s no longer the case and over the past year in particular, the number of such state-sponsored attacks against small- and medium-sized businesses (SMBs) has increased significantly. Cybersecurity firm Proofpoint analyzed its telemetry data more than 200,000 SMB customers over the past year and saw a rise in phishing campaigns originating from APT groups, particularly those…

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New hyperactive phishing campaign uses SuperMailer templates: Report

SuperMailer, a legitimate email newsletter program, has been found abused by threat actors to conduct a high-volume credential harvesting campaign, according to network security firm Cofense. “The SuperMailer-generated emails have been reaching inboxes at an increasingly remarkable volume,” Brah Haas, cyber threat intelligence analyst at Cofense, said in a blog post. “Emails containing the unique SuperMailer string barely registered in January and February, but in the first half of May they accounted for over 5%…

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CISA and Partners Release Cybersecurity Advisory Guidance detailing PRC state-sponsored actors evading detection by “Living off the Land”

Today, CISA joined the National Security Agency (NSA), the Federal Bureau of Investigation (FBI), and international partners in releasing a joint cybersecurity advisory highlighting recently discovered activities conducted by a People’s Republic of China (PRC) state-sponsored cyber threat actor.  This advisory highlights how PRC cyber actors use techniques called “living off the land” to evade detection by using built-in networking administration tools to compromise networks and conduct malicious activity. This enables the cyber actor to…

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US sanctions four North Korean entities for global cyberattacks

The US Department of Treasury has imposed sanctions on four entities and one individual involved in illicit revenue generation and malicious online activities to generate revenue for the Democratic People’s Republic of Korea (North Korea). The entities and individuals sanctioned are the Pyongyang University of Automation, the Technical Reconnaissance Bureau, the 110th Research Center cybersecurity unit, Chinyong Information Technology Cooperation Company, and North Korean national Kim Sang Man, the US Department of State said in…

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PyPI open-source code repository deals with manic malware maelstrom

by Paul Ducklin Public source code repositories, from Sourceforge to GitHub, from the Linux Kernel Archives to ReactOS.org, from PHP Packagist to the Python Package Index, better known as PyPI, are a fantastic source (sorry!) of free operating systems, applications, programming libraries, and developers’ toolkits that have done computer science and software engineering a world of good. Most software projects need “helper” code that isn’t a fundamental part of the problem that the project itself…

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CyberArk’s enterprise browser promises zero-trust support, policy management

CyberArk has announced plans to launch an enterprise browser, dubbed CyberArk Secure Browser, at the end of 2023 as part of its CyberArk Identity Security Platform. The identity security vendor decided to create a new enterprise browser based on trends impacting hybrid work environments and its own research, which found an increase in post-multifactor authentication (MFA) attacks targeting session cookies. “Developing an enterprise browser — with an identity-first, security-first approach — was a natural progression…

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