Cyber Defense Advisors

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  • March 1, 2024

4 Instructive Postmortems on Data Downtime and Loss

More than a decade ago, the concept of the ‘blameless’ postmortem changed how tech companies recognize failures at scale. John Allspaw, who coined the term during his tenure at Etsy, argued postmortems were all about controlling our natural reaction to an incident, which is to point fingers: “One option is to assume the single cause […]

Cyber News
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  • March 1, 2024

New BIFROSE Linux Malware Variant Using Deceptive VMware Domain for Evasion

Cybersecurity researchers have discovered a new Linux variant of a remote access trojan (RAT) called BIFROSE (aka Bifrost) that uses a deceptive domain mimicking VMware. “This latest version of Bifrost aims to bypass security measures and compromise targeted systems,” Palo Alto Networks Unit 42 researchers Anmol Maurya and Siddharth Sharma said. BIFROSE is one of […]

Cyber News
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  • March 1, 2024

Five Eyes Agencies Warn of Active Exploitation of Ivanti Gateway Vulnerabilities

The Five Eyes (FVEY) intelligence alliance has issued a new cybersecurity advisory warning of cyber threat actors exploiting known security flaws in Ivanti Connect Secure and Ivanti Policy Secure gateways, noting that the Integrity Checker Tool (ICT) can be deceived to provide a false sense of security. “Ivanti ICT is not sufficient to detect compromise […]

Cyber News
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  • March 1, 2024

GitHub Rolls Out Default Secret Scanning Push Protection for Public Repositories

GitHub on Thursday announced that it’s enabling secret scanning push protection by default for all pushes to public repositories. “This means that when a supported secret is detected in any push to a public repository, you will have the option to remove the secret from your commits or, if you deem the secret safe, bypass […]

Cyber News
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  • February 29, 2024

Fulton County, Security Experts Call LockBit’s Bluff

The ransomware group LockBit told officials with Fulton County, Ga. they could expect to see their internal documents published online this morning unless the county paid a ransom demand. LockBit removed Fulton County’s listing from its victim shaming website this morning, claiming the county had paid. But county officials said they did not pay, nor […]

Cyber News
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  • February 29, 2024

New Silver SAML Attack Evades Golden SAML Defenses in Identity Systems

Cybersecurity researchers have disclosed a new attack technique called Silver SAML that can be successful even in cases where mitigations have been applied against Golden SAML attacks. Silver SAML “enables the exploitation of SAML to launch attacks from an identity provider like Entra ID against applications configured to use it for authentication, such as Salesforce,” […]

Cyber News
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  • February 29, 2024

Healthcare sector warned of ALPHV BlackCat ransomware after surge in targeted attacks

What’s happened? The US government warned healthcare organizations about the risk of being targeted by the ALPHV BlackCat ransomware after a surge in attacks. I thought ALPHV BlackCat had been taken down by the cops? Well remembered. Shortly before Christmas, the US Department of Justice (DOJ) announced that it had disrupted the gang’s operations and […]

Cyber News
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  • February 29, 2024

How the “Frontier” Became the Slogan of Uncontrolled AI

Artificial intelligence (AI) has been billed as the next frontier of humanity: the newly available expanse whose exploration will drive the next era of growth, wealth, and human flourishing. It’s a scary metaphor. Throughout American history, the drive for expansion and the very concept of terrain up for grabs—land grabs, gold rushes, new frontiers—have provided […]

Cyber News
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  • February 29, 2024

GTPDOOR Linux Malware Targets Telecoms, Exploiting GPRS Roaming Networks

Threat hunters have discovered a new Linux malware called GTPDOOR that’s designed to be deployed in telecom networks that are adjacent to GPRS roaming exchanges (GRX) The malware is novel in the fact that it leverages the GPRS Tunnelling Protocol (GTP) for command-and-control (C2) communications. GPRS roaming allows subscribers to access their GPRS services while […]

Cyber News