Cyber Defense Advisors

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  • May 30, 2024

RedTail Crypto-Mining Malware Exploiting Palo Alto Networks Firewall Vulnerability

The threat actors behind the RedTail cryptocurrency mining malware have added a recently disclosed security flaw impacting Palo Alto Networks firewalls to its exploit arsenal. The addition of the PAN-OS vulnerability to its toolkit has been complemented by updates to the malware, which now incorporates new anti-analysis techniques, according to findings from web infrastructure and […]

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  • May 30, 2024

“Largest botnet ever” disrupted. 911 S5’s alleged mastermind arrested

A vast network of millions of compromised computers, being used to facilitate a wide range of cybercrime, has been disrupted by a multinational law enforcement operation. The 911 S5 botnet, described as “likely the world’s largest botnet ever” by FBI Director Christopher Wray, has had its infrastructure and assets seized and its alleged mastermind arrested […]

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  • May 30, 2024

Researchers Uncover Active Exploitation of WordPress Plugin Vulnerabilities

Cybersecurity researchers have warned that multiple high-severity security vulnerabilities in WordPress plugins are being actively exploited by threat actors to create rogue administrator accounts for follow-on exploitation. “These vulnerabilities are found in various WordPress plugins and are prone to unauthenticated stored cross-site scripting (XSS) attacks due to inadequate input sanitization and output escaping, making it […]

Cyber News
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  • May 30, 2024

How to Build Your Autonomous SOC Strategy

Security leaders are in a tricky position trying to discern how much new AI-driven cybersecurity tools could actually benefit a security operations center (SOC). The hype about generative AI is still everywhere, but security teams have to live in reality. They face constantly incoming alerts from endpoint security platforms, SIEM tools, and phishing emails reported […]

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  • May 30, 2024

Supply Chain Attack against Courtroom Software

No word on how this backdoor was installed: A software maker serving more than 10,000 courtrooms throughout the world hosted an application update containing a hidden backdoor that maintained persistent communication with a malicious website, researchers reported Thursday, in the latest episode of a supply-chain attack. The software, known as the JAVS Viewer 8, is […]

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  • May 30, 2024

Europol Shuts Down 100+ Servers Linked to IcedID, TrickBot, and Other Malware

Europol on Thursday said it shut down the infrastructure associated with several malware loader operations such as IcedID, SystemBC, PikaBot, SmokeLoader, Bumblebee, and TrickBot as part of a coordinated law enforcement effort codenamed Operation Endgame. “The actions focused on disrupting criminal services through arresting High Value Targets, taking down the criminal infrastructures and freezing illegal […]

Cyber News
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  • May 30, 2024

U.S. Dismantles World’s Largest 911 S5 Botnet with 19 Million Infected Devices

The U.S. Department of Justice (DoJ) on Wednesday said it dismantled what it described as “likely the world’s largest botnet ever,” which consisted of an army of 19 million infected devices that was leased to other threat actors to commit a wide array of offenses. The botnet, which has a global footprint spanning more than […]

Cyber News
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  • May 30, 2024

Okta Warns of Credential Stuffing Attacks Targeting Customer Identity Cloud

Okta is warning that a cross-origin authentication feature in Customer Identity Cloud (CIC) is susceptible to credential stuffing attacks orchestrated by threat actors. “We observed that the endpoints used to support the cross-origin authentication feature being attacked via credential stuffing for a number of our customers,” the Identity and access management (IAM) services provider said. […]

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  • May 29, 2024

Is Your Computer Part of ‘The Largest Botnet Ever?’

The U.S. Department of Justice (DOJ) today said they arrested the alleged operator of 911 S5, a ten-year-old online anonymity service that was powered by what the director of the FBI called “likely the world’s largest botnet ever.” The arrest coincided with the seizure of the 911 S5 website and supporting infrastructure, which the government […]

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