Schneier on Security

JUNE 2, 2021

The New York Times has a long story on the DarkSide ransomware gang. DarkSide’s services include providing technical support for hackers, negotiating with targets like the publishing company, processing payments, and devising tailored pressure campaigns through blackmail and other means, such as secondary hacks to crash websites.

Ransomware 362

Ransomware Malware Hacking Cybercrime 362

Security Affairs

OCTOBER 20, 2024

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape. Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape.

Malware 122

Malware Ransomware Encryption Phishing 122

Security Affairs

OCTOBER 13, 2024

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape. Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape. Over 300,000!

Malware 121

Malware DDOS Cryptocurrency Education 121

Security Affairs

NOVEMBER 19, 2024

Russian Phobos ransomware operator Evgenii Ptitsyn, accused of managing attacks, was extradited from South Korea to the US to face cybercrime charges. Russian Phobos ransomware operator Evgenii Ptitsyn, suspected of playing a key role in the ransomware operations, was extradited from South Korea to the US to face cybercrime charges.

Cybercrime 113

Cybercrime Ransomware Healthcare Education 113

Krebs on Security

MAY 18, 2020

Almost daily now there is news about flaws in commercial software that lead to computers getting hacked and seeded with malware. Here’s a look at one long-lived malware vulnerability testing service that is used and run by some of the Dark Web’s top cybercriminals. is cybercrime forum.

Malware 350

Malware Cybercrime Ransomware Marketing 350

Security Affairs

MARCH 10, 2025

Microsoft researchers reported that North Korea-linked APT tracked as Moonstone Sleet has employed the Qilin ransomware in limited attacks. Microsoft observed a North Korea-linked APT group, tracked as Moonstone Sleet, deploying Qilin ransomware in limited attacks since February 2025. ” Microsoft wrote on X. .

Ransomware 116

Ransomware VPN Healthcare Malware 116

Security Affairs

DECEMBER 22, 2024

US authorities charged a dual Russian and Israeli national for being a developer of the LockBit ransomware group. Rostislav Panev, 51, a dual Russian-Israeli national, was charged as a LockBit ransomware developer. The man is accused of being a LockBit ransomware developer from 2019 through at least February 2024.

Ransomware 118

Ransomware Small Business Antivirus Malware 118

Malwarebytes

DECEMBER 2, 2024

The US Department of Justice has charged a Russian national named Evgenii Ptitsyn with selling, operating, and distributing a ransomware variant known as “Phobos” during a four-year cybercriminal campaign that extorted at least $16 million from victims across the world.

Ransomware 124

Ransomware Backups Small Business Malware 124

Security Affairs

NOVEMBER 29, 2024

Russian authorities arrested ransomware affiliate Mikhail Matveev, aka Wazawaka, for developing malware and ties to hacking groups. In May 2023, the US Justice Department charged Russian national Mikhail Pavlovich Matveev for his alleged role in multiple ransomware attacks. ” reported RIA Novosti.

Ransomware 116

Ransomware Healthcare Hacking Malware 116

Krebs on Security

NOVEMBER 10, 2020

It’s bad enough that many ransomware gangs now have blogs where they publish data stolen from companies that refuse to make an extortion payment. Now, one crime group has started using hacked Facebook accounts to run ads publicly pressuring their ransomware victims into paying up. On the evening of Monday, Nov. ”

Ransomware 363

Ransomware Accountability Hacking Advertising 363

Krebs on Security

AUGUST 29, 2023

government today announced a coordinated crackdown against QakBot , a complex malware family used by multiple cybercrime groups to lay the groundwork for ransomware infections. Qakbot/Qbot was once again the top malware loader observed in the wild in the first six months of 2023.

Hacking 308

Hacking Malware Ransomware Government 308

Security Affairs

NOVEMBER 8, 2024

Texas oilfield supplier Newpark Resources suffered a ransomware attack that disrupted its information systems and business applications. Texas oilfield supplier Newpark Resources revealed that a ransomware attack on October 29 disrupted access to some of its information systems and business applications.

Ransomware 121

Ransomware Manufacturing Malware Hacking 121

Security Affairs

MARCH 10, 2025

Another American hospital falls victim to a ransomware attack; the RansomHouse gang announced the hack of Loretto Hospital in Chicago.” ” The RansomHouse gang announced the hack of Loretto Hospital in Chicago, the groups claims to have stolen 1.5TB of sensitive data. Ransomware attacks on U.S.

Hacking 114

Hacking Healthcare Backups Ransomware 114

Security Affairs

DECEMBER 4, 2024

BT Group (formerly British Telecom)’s Conferencing division shut down some of its servers following a Black Basta ransomware attack. British multinational telecommunications holding company BT Group (formerly British Telecom) announced it has shut down some of its servers following a Black Basta ransomware attack.

Ransomware 123

Ransomware Telecommunications Healthcare Insurance 123

Krebs on Security

JUNE 16, 2021

Authorities in Ukraine this week charged six people alleged to be part of the CLOP ransomware group , a cybercriminal gang said to have extorted more than half a billion dollars from victims. The CLOP gang seized on those flaws to deploy ransomware to a significant number of Accellion’s FTA customers , including U.S.

Ransomware 357

Ransomware Cybercrime Malware Encryption 357

Security Affairs

NOVEMBER 13, 2024

Bitdefender released a decryptor for the ShrinkLocker ransomware, which modifies BitLocker configurations to encrypt a system’s drives. ShrinkLocker ransomware was first discovered in May 2024 by researchers from Kaspersky. “ShrinkLocker is a novel ransomware strain that leverages a unique approach to encrypt systems.

Ransomware 120

Ransomware Encryption Passwords Backups 120

Security Affairs

NOVEMBER 9, 2024

This quick compromise allows vehicles to be targeted during valet service, ride-sharing, or through USB malware. Once compromised, the CMU could be modified to target connected devices, potentially causing Denial of Service (DoS), device bricking, ransomware attacks, or even safety issues. ” concludes the report. .

Hacking 127

Hacking Firmware Software Manufacturing 127

Krebs on Security

DECEMBER 4, 2024

In January 2022, KrebsOnSecurity identified a Russian man named Mikhail Matveev as “ Wazawaka ,” a cybercriminal who was deeply involved in the formation and operation of multiple ransomware groups. government indicted Matveev as a top ransomware purveyor a year later, offering $10 million for information leading to his arrest.

Cybercrime 230

Cybercrime Ransomware Cryptocurrency Government 230

Krebs on Security

OCTOBER 28, 2020

In March 2020, KrebsOnSecurity alerted Swedish security giant Gunnebo Group that hackers had broken into its network and sold the access to a criminal group which specializes in deploying ransomware. Reached by phone today, Jansson said he quit the company in August, right around the time Gunnebo disclosed the thwarted ransomware attack.

Hacking 358

Hacking Ransomware Banking Accountability 358

Security Affairs

FEBRUARY 13, 2025

A November 2024 RA World ransomware attack on an Asian software firm used a tool linked to China-linked threat actors. Broadcom researchers reported that threat actors behind an RA World ransomware attack against an Asian software and services firm employed a tool that was explosively associated in the past with China-linked APT groups.

Ransomware 117

Ransomware Software Cybercrime Encryption 117

Krebs on Security

APRIL 18, 2022

Conti — one of the most ruthless and successful Russian ransomware groups — publicly declared during the height of the COVID-19 pandemic that it would refrain from targeting healthcare providers. But according to Microsoft and an advisory from the U.S. National Security Agency (NSA).

Healthcare 338

Healthcare Ransomware Cybersecurity Malware 338

Krebs on Security

JANUARY 28, 2022

In December 2021, researchers discovered a new ransomware-as-a-service named ALPHV (a.k.a. “ BlackCat “), considered to be the first professional cybercrime group to create and use a ransomware strain written in the Rust programming language. Image: Varonis. Image: Varonis. The upshot? ” Meanwhile, the U.S.

Ransomware 328

Ransomware Accountability Cybercrime Malware 328

Security Affairs

DECEMBER 26, 2024

A ransomware attack on Pittsburgh Regional Transit (PRT) was the root cause of the agency’s service disruptions. On December 23, 2024, Pittsburgh Regional Transit (PRT) announced it was actively responding to a ransomware attack that was first detected on Thursday, December 19.

Ransomware 119

Ransomware Cyber Attacks Hacking Cybersecurity 119

Krebs on Security

JUNE 9, 2020

that their information technology systems had been infiltrated by hackers who specialize in deploying ransomware. Nevertheless, on Friday, June 5, the intruders sprang their attack, deploying ransomware and demanding nearly $300,000 worth of bitcoin. The average ransomware payment by ransomware strain.

Ransomware 363

Ransomware System Administration Backups Technology 363

Security Affairs

DECEMBER 3, 2024

ENGlobal Corporation disclosed a ransomware attack, discovered on November 25, disrupting operations, in a filing to the SEC. A ransomware attack disrupted the operations of a major energy industry contractor, ENGlobal Corporation. No ransomware gang has claimed responsibility for the attack. million year-to-date.

Ransomware 117

Ransomware Encryption Technology Cybersecurity 117

Security Affairs

FEBRUARY 1, 2025

Indian multinational technology company Tata Technologies suspended some IT services following a ransomware attack. Indian multinational Tata Technologies , a Tata Motors subsidiary, suspended some IT services following a ransomware attack. A few days later, the ransomware gang Hive leaked the alleged stolen files on its Tor leak site.

Technology 115

Technology Ransomware Engineering Manufacturing 115

Krebs on Security

NOVEMBER 14, 2024

But not long after KrebsOnSecurity reported in April that Shefel/Rescator also was behind the theft of Social Security and tax information from a majority of South Carolina residents in 2012, Mr. Shefel began contacting this author with the pretense of setting the record straight on his alleged criminal hacking activities.

Retail 254

Retail Advertising Cryptocurrency Marketing 254

Security Affairs

NOVEMBER 18, 2024

A ransomware attack on Great Plains Regional Medical Center compromised personal data of 133,000 individuals, exposing sensitive information. On September 8, 2024, Great Plains Regional Medical Center (Oklahoma) suffered a ransomware attack. “On September 8, 2024, we suffered a ransomware attack on our computer system.

Ransomware 123

Ransomware Insurance Encryption Healthcare 123

Krebs on Security

DECEMBER 13, 2021

The consulting firm PricewaterhouseCoopers recently published lessons learned from the disruptive and costly ransomware attack in May 2021 on Ireland’s public health system. The unusually candid post-mortem found that nearly two months elapsed between the initial intrusion and the launching of the ransomware.

Healthcare 325

Healthcare Ransomware Antivirus Hacking 325

Security Affairs

MARCH 16, 2025

A Micronesian state suffered a ransomware attack and was forced to shut down all computers of its government health agency. A state in Micronesia, the state of Yap, suffered a ransomware attack, forcing the shutdown of all computers in its government health agency. No ransomware group has claimed responsibility for this attack.

Ransomware 115

Ransomware Government Internet Internet 115

Security Affairs

NOVEMBER 6, 2024

Georgia, a ransomware attack disrupted Memorial Hospital and Manor’s access to its Electronic Health Record system. A ransomware attack hit Memorial Hospital and Manor in Bainbridge, Georgia, and disrupted the access to its Electronic Health Record system. Ransomware attacks on U.S. terabytes of data.

Ransomware 123

Ransomware Healthcare Antivirus Data breaches 123

Security Affairs

JANUARY 22, 2025

Two ransomware groups exploiting Microsoft 365 services and default settings to target internal enterprise users. Sophos researchers started investigating two distinct clusters of activity, tracked as STAC5143 and STAC5777, in response to customer ransomware attacks in November and December 2024.

Ransomware 98

Ransomware Malware Social Engineering Engineering 98

Security Affairs

MARCH 9, 2025

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape.

Malware 65

Malware DDOS Hacking Ransomware 65

Security Affairs

MARCH 24, 2025

Medusa ransomware uses a malicious Windows driver ABYSSWORKER to disable security tools, making detection and mitigation more difficult. Elastic Security Labs tracked a financially driven MEDUSA ransomware campaign using a HEARTCRYPT-packed loader and a revoked certificate-signed driver, ABYSSWORKER, to disable EDR tools.

Ransomware 85

Ransomware Malware Hacking Cybercrime 85

Security Affairs

MARCH 30, 2025

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Microsoft Trusted Signing service abused to code-sign malware Shedding light on the ABYSSWORKER driver VSCode Marketplace Removes Two Extensions Deploying Early-Stage Ransomware New Android Malware Campaigns Evading (..)

Malware 63

Malware Ransomware Threat Detection Mobile 63

Security Affairs

MARCH 23, 2025

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Decrypting Encrypted files from Akira Ransomware (Linux/ESXI variant 2024) using a bunch of GPUs Jaguar Land Rover Breached by HELLCAT Ransomware Group Using Its Infostealer PlaybookThen a Second Hacker Strikes ClearFakes (..)

Malware 63

Malware Threat Detection Cryptocurrency Ransomware 63

Security Affairs

MARCH 30, 2025

The Walmart-owned membership warehouse club chain Sams Club is investigating claims of a Cl0p ransomware security breach. This week, Cl0p ransomware group listed Sams Club among the victims of its December Cleo software exploit , accusing it of ignoring security. Walmart owned Sams Club has allegedly been breached by Clop Ransomware.

Ransomware 79

Ransomware Data breaches Software Hacking 79