Cyber Defense Advisors

Month: April 2025

DOGE Worker’s Code Supports NLRB Whistleblower

A whistleblower at the National Labor Relations Board (NLRB) alleged last week that denizens of Elon Musk’s Department of Government Efficiency (DOGE) siphoned gigabytes of data from the agency’s sensitive case files in early March. The whistleblower said accounts created for DOGE at the NLRB downloaded three code repositories from GitHub. Further investigation into one […]

Cyber News

DPRK Hackers Steal $137M from TRON Users in Single-Day Phishing Attack

Multiple threat activity clusters with ties to North Korea (aka Democratic People’s Republic of Korea or DPRK) have been linked to attacks targeting organizations and individuals in the Web3 and cryptocurrency space. “The focus on Web3 and cryptocurrency appears to be primarily financially motivated due to the heavy sanctions that have been placed on North […]

Cyber News

Regulating AI Behavior with a Hypervisor

Interesting research: “Guillotine: Hypervisors for Isolating Malicious AIs.” Abstract:As AI models become more embedded in critical sectors like finance, healthcare, and the military, their inscrutable behavior poses ever-greater risks to society. To mitigate this risk, we propose Guillotine, a hypervisor architecture for sandboxing powerful AI models—models that, by accident or malice, can generate existential threats […]

Cyber News

Iran-Linked Hackers Target Israel with MURKYTOUR Malware via Fake Job Campaign

The Iran-nexus threat actor known as UNC2428 has been observed delivering a backdoor known as MURKYTOUR as part of a job-themed social engineering campaign aimed at Israel in October 2024. Google-owned Mandiant described UNC2428 as a threat actor aligned with Iran that engages in cyber espionage-related operations. The intrusion set is said to have distributed […]

Cyber News

Android Spyware Disguised as Alpine Quest App Targets Russian Military Devices

Cybersecurity researchers have revealed that Russian military personnel are the target of a new malicious campaign that distributes Android spyware under the guise of the Alpine Quest mapping software. “The attackers hide this trojan inside modified Alpine Quest mapping software and distribute it in various ways, including through one of the Russian Android app catalogs,” […]

Cyber News

Three Reasons Why the Browser is Best for Stopping Phishing Attacks

Phishing attacks remain a huge challenge for organizations in 2025. In fact, with attackers increasingly leveraging identity-based techniques over software exploits, phishing arguably poses a bigger threat than ever before. Attackers are increasingly leveraging identity-based techniques over software exploits, with phishing and stolen credentials (a byproduct of phishing) now the primary cause of breaches. Source: […]

Cyber News

Russian Hackers Exploit Microsoft OAuth to Target Ukraine Allies via Signal and WhatsApp

Multiple suspected Russia-linked threat actors are “aggressively” targeting individuals and organizations with ties to Ukraine and human rights with an aim to gain unauthorized access to Microsoft 365 accounts since early March 2025. The highly targeted social engineering operations, per Volexity, are a shift from previously documented attacks that leveraged a technique known as device […]

Cyber News

Ripple’s xrpl.js npm Package Backdoored to Steal Private Keys in Major Supply Chain Attack

The Ripple cryptocurrency npm JavaScript library named xrpl.js has been compromised by unknown threat actors as part of a software supply chain attack designed to harvest and exfiltrate users’ private keys. The malicious activity has been found to affect five different versions of the package: 4.2.1, 4.2.2, 4.2.3, 4.2.4, and 2.14.2. The issue has been […]

Cyber News

Google Drops Cookie Prompt in Chrome, Adds IP Protection to Incognito

Google on Tuesday revealed that it will no longer offer a standalone prompt for third-party cookies in its Chrome browser as part of its Privacy Sandbox initiative. “We’ve made the decision to maintain our current approach to offering users third-party cookie choice in Chrome, and will not be rolling out a new standalone prompt for […]

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