Cyber Defense Advisors

Year: 2023

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  • December 7, 2023

New Stealthy ‘Krasue’ Linux Trojan Targeting Telecom Firms in Thailand

A previously unknown Linux remote access trojan called Krasue has been observed targeting telecom companies in Thailand by threat actors to main covert access to victim networks at lease since 2021. Named after a nocturnal female spirit of Southeast Asian folklore, the malware is “able to conceal its own presence during the initialization phase,” Group-IB […]

Cyber News
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  • December 7, 2023

Meta Launches Default End-to-End Encryption for Chats and Calls on Messenger

Meta has officially begun to roll out support for end-to-end encryption (E2EE) in Messenger for personal calls and one-to-one personal messages by default in what it called the “most significant milestone yet.” “This isn’t a routine security update: we rebuilt the app from the ground up, in close consultation with privacy and safety experts,” Loredana […]

Cyber News
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  • December 6, 2023

Security Analysis of a Thirteenth-Century Venetian Election Protocol

Interesting analysis: This paper discusses the protocol used for electing the Doge of Venice between 1268 and the end of the Republic in 1797. We will show that it has some useful properties that in addition to being interesting in themselves, also suggest that its fundamental design principle is worth investigating for application to leader […]

Cyber News
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  • December 6, 2023

ICANN Launches Service to Help With WHOIS Lookups

More than five years after domain name registrars started redacting personal data from all public domain registration records, the non-profit organization overseeing the domain industry has introduced a centralized online service designed to make it easier for researchers, law enforcement and others to request the information directly from registrars. In May 2018, the Internet Corporation […]

Cyber News
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  • December 6, 2023

Alert: Threat Actors Can Leverage AWS STS to Infiltrate Cloud Accounts

Threat actors can take advantage of Amazon Web Services Security Token Service (AWS STS) as a way to infiltrate cloud accounts and conduct follow-on attacks. The service enables threat actors to impersonate user identities and roles in cloud environments, Red Canary researchers Thomas Gardner and Cody Betsworth said in a Tuesday analysis. AWS STS is […]

Cyber News
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  • December 6, 2023

New Report: Unveiling the Threat of Malicious Browser Extensions

Compromising the browser is a high-return target for adversaries. Browser extensions, which are small software modules that are added to the browser and can enhance browsing experiences, have become a popular browser attack vector. This is because they are widely adopted among users and can easily turn malicious through developer actions or attacks on legitimate […]

Cyber News
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  • December 6, 2023

Sierra:21 – Flaws in Sierra Wireless Routers Expose Critical Sectors to Cyber Attacks

A collection of 21 security flaws have been discovered in Sierra Wireless AirLink cellular routers and open-source software components like TinyXML and OpenNDS. Collectively tracked as Sierra:21, the issues expose over 86,000 devices across critical sectors like energy, healthcare, waste management, retail, emergency services, and vehicle tracking to cyber threats, according to Forescout Vedere Labs. […]

Cyber News
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  • December 6, 2023

Scaling Security Operations with Automation

In an increasingly complex and fast-paced digital landscape, organizations strive to protect themselves from various security threats. However, limited resources often hinder security teams when combatting these threats, making it difficult to keep up with the growing number of security incidents and alerts. Implementing automation throughout security operations helps security teams alleviate these challenges by […]

Cyber News
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  • December 6, 2023

Hackers Exploited ColdFusion Vulnerability to Breach Federal Agency Servers

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned of active exploitation of a high-severity Adobe ColdFusion vulnerability by unidentified threat actors to gain initial access to government servers. “The vulnerability in ColdFusion (CVE-2023-26360) presents as an improper access control issue and exploitation of this CVE can result in arbitrary code execution,” CISA said, adding […]

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