Ransomware Revolution: 4 Types of Cyber Risks in 2023

The ransomware business model is poised to change. These four predictions could help to keep your organization secure from new forms of cyber extortion...

Sydney Man Sentenced for Blackmailing Optus Customers After Data Breach

A Sydney man has been sentenced to an 18-month Community Correction Order CCO and 100 hours of community service for attempting to take advantage of the Optus data breach last year to blackmail its customers. The unnamed individual, 19 when arrested in October 2022 and now 20, used the leaked...

KrebsOnSecurity in Upcoming Hulu Series on Ashley Madison Breach

KrebsOnSecurity will likely have a decent amount of screen time in an upcoming Hulu documentary series about the 2015 megabreach at marital infidelity site Ashley Madison. While I cant predict what the producers will do with the video interviews we shot, its fair to say the series will explore...

Nokoyawa 2.0 A Reworked Rust-Based Ransomware

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Nokoyawa is a 64-bit Windows-based ransomware family that first appeared in early February 2022. The threat group behind Nokoyawa conducts double-extortion ransomware attacks, first stealing data from...

FIN7 Cybercrime Syndicate Emerges as a Major Player in Ransomware Landscape

An exhaustive analysis of FIN7 has unmasked the cybercrime syndicate's organizational hierarchy, alongside unraveling its role as an affiliate for mounting ransomware attacks. It has also exposed deeper associations between the group and the larger threat ecosystem comprising the now-defunct...

Hackers Breach Okta's GitHub Repositories, Steal Source Code

Okta, a company that provides identity and access management services, disclosed on Wednesday that some of its source code repositories were accessed in an unauthorized manner earlier this month. "There is no impact to any customers, including any HIPAA, FedRAMP, or DoD customers," the company sa...

Prevent Cryptocurrency Cyber Extortion

Highly destructive cybercrime is on the rise, and most of it is being funded with anonymous cryptocurrency. We review cryptocurrency trends and how enterprises can enhance their cybersecurity posture to prevent cyber extortion...

Virtual kidnapping scam strikes again. Spot the signs

Warnings abound of a major new piece of fraud doing the rounds which uses your relatives voice as part of a blackmail scam. What happens is the victim receives a call from said relatives number, and theyre cut off by blackmailers who have them held hostage. The only way to get them back safely is...

BlackMagic Ransomware disrupts the Israeli logistics sector

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The latest ransomware entity, known as "BlackMagic" has emerged. This gang targets its victims using a double extortion approach in which it initially exfiltrates the victims data, followed by encryption...

New Ransom Payment Schemes Target Executives, Telemedicine

Ransomware groups are constantly devising new methods for infecting victims and convincing them to pay up, but a couple of strategies tested recently seem especially devious. The first centers on targeting healthcare organizations that offer consultations over the Internet and sending them...

CISA and the FBI issue alert about Cuba ransomware

In the latest StopRansomware effort of publicizing ransomware information for network defenders, the Cybersecurity and Infrastructure Security Agency CISA and the Federal Bureau of Investigation FBI have issued a joint Cybersecurity Advisory CSA on the ransomware known as "Cuba." Though named...

Cuba Ransomware Extorted Over $60 Million in Ransom Fees from More than 100 Entities

The threat actors behind Cuba aka COLDDRAW ransomware have received more than $60 million in ransom payments and compromised over 100 entities across the world as of August 2022. In a new advisory shared by the U.S. Cybersecurity and Infrastructure Security Agency CISA and the Federal Bureau of...

Luna Moth Gang Invests in Call Centers to Target Businesses with Callback Phishing Campaigns

The Luna Moth campaign has extorted hundreds of thousands of dollars from several victims in the legal and retail sectors. The attacks are notable for employing a technique called callback phishing or telephone-oriented attack delivery TOAD, wherein the victims are social engineered into making a...

Hive Ransomware Attackers Extorted $100 Million from Over 1,300 Companies Worldwide

The threat actors behind the Hive ransomware-as-a-service RaaS scheme have launched attacks against over 1,300 companies across the world, netting the gang $100 million in illicit payments as of November 2022. "Hive ransomware has targeted a wide range of businesses and critical infrastructure...

Stopping C2 communications in human-operated ransomware through network protection

Command-and-control C2 servers are an essential part of ransomware, commodity, and nation-state attacks. They are used to control infected devices and perform malicious activities like downloading and launching payloads, controlling botnets, or commanding post-exploitation penetration frameworks ...

Stopping C2 communications in human-operated ransomware through network protection

Command-and-control C2 servers are an essential part of ransomware, commodity, and nation-state attacks. They are used to control infected devices and perform malicious activities like downloading and launching payloads, controlling botnets, or commanding post-exploitation penetration frameworks ...

Hacker Charged With Extorting Online Psychotherapy Service

A 25-year-old Finnish man has been charged with extorting a once popular and now-bankrupt online psychotherapy company and its patients. Finnish authorities rarely name suspects in an investigation, but they were willing to make an exception for Julius "Zeekill" Kivimaki, a notorious hacker who -...

Fodcha DDoS Botnet Resurfaces with New Capabilities

The threat actor behind the Fodcha distributed denial-of-service DDoS botnet has resurfaced with new capabilities, researchers reveal. This includes changes to its communication protocol and the ability to extort cryptocurrency payments in exchange for stopping the DDoS attack against a target,...

LV Ransomware Exploited ProxyShell to target Jordan

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary LV ransomware as a service has been active since late 2020 The most recent infiltration entailed the compromise of the corporate environment of a Jordan based entity, leveraging the double extortion...

#StopRansomware: Daixin Team

Summary Actions to take today to mitigate cyber threats from ransomware: Install updates for operating systems, software, and firmware as soon as they are released. Require phishing-resistant MFA for as many services as possible. Train users to recognize and report phishing attempts. Note: This...