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 251

Cybercrime Ransomware Cryptocurrency Government 251

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 118

Ransomware Healthcare Hacking Malware 118

Security Affairs

DECEMBER 8, 2024

Anna Jaques Hospital revealed thatthe ransomware attack it suffered last year has exposed sensitive health data for over 316,000 patients. On December 25, 2023, a ransomware attack hit the Anna Jaques Hospital. The hospital revealed that the security breach exposed sensitive health data for over 316,000 patients.

Data breaches 116

Data breaches Insurance Healthcare Ransomware 116

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. reads the CSA.

Ransomware 126

Ransomware Telecommunications Healthcare Insurance 126

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

JUNE 6, 2025

A joint advisory from the US and Australian authorities states that Play ransomware has hit approximately 900 organizations over the past three years. In December 2023, CISA, the FBI, and ACSC warned of Play ransomware’s operation that hit 300 victims by October 2023. ” reads the advisory. de or @web[.]de

Ransomware 97

Ransomware Encryption Antivirus Malware 97

Security Affairs

MAY 3, 2025

The Rhysida Ransomware gang claims the hack of the Government of Peru, the gang breached Gob.pe, the Single Digital Platform of the Peruvian State. The Rhysida ransomware gang claims responsibility for hacking the Government of Peru, breaching Gob.pe, which is the country’s official digital platform.

Government 125

Government Hacking Ransomware Manufacturing 125

Security Affairs

MAY 13, 2025

A 45-year-old foreign man has been arrested in Moldova for allegedly participating in ransomware attacks on Dutch companies in 2021. He is internationally wanted for multiple cybercrime, including ransomware attacks, blackmail, and money laundering, targeting Dutch companies. million euros.”

Ransomware 107

Ransomware Cybercrime Malware Banking 107

Krebs on Security

NOVEMBER 14, 2024

In December 2023, KrebsOnSecurity revealed the real-life identity of Rescator , the nickname used by a Russian cybercriminal who sold more than 100 million payment cards stolen from Target and Home Depot between 2013 and 2014. Mr. Shefel did not respond to requests for comment in advance of that December 2023 profile.

Retail 274

Retail Advertising Cryptocurrency Cybercrime 274

Security Affairs

NOVEMBER 9, 2024

A critical flaw, tracked as CVE-2024-40711, in Veeam Backup & Replication (VBR) was also recently exploited to deploy Frag ransomware. In mid-October, Sophos researchers warned that ransomware operators are exploiting the critical vulnerability CVE-2024-40711 in Veeam Backup & Replication to create rogue accounts and deploy malware.

Backups 132

Backups Ransomware VPN Accountability 132

Krebs on Security

JULY 11, 2023

July marks the sixth month this year that Apple has released updates for zero-day vulnerabilities — those that get exploited by malware or malcontents before there is an official patch available. CVE-2023-36874 is an elevation of privilege bug in the Windows Error Reporting Service.

Software 254

Software Malware Antivirus Ransomware 254

Security Affairs

MAY 4, 2025

A 36-year-old Yemeni man behind Black Kingdom ransomware is indicted in the U.S. authorities have indicted Rami Khaled Ahmed (aka Black Kingdom, of Sanaa, Yemen), a 36-year-old Yemeni national, suspected of being the administrator of the Black Kingdom ransomware operation. for 1,500 attacks on Microsoft Exchange servers.

Ransomware 114

Ransomware Encryption VPN Cryptocurrency 114

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 121

Ransomware Cyber Attacks Hacking Cybersecurity 121

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 117

Technology Ransomware Engineering Manufacturing 117

Digital Shadows

NOVEMBER 12, 2024

Top MITRE Technique: Spearphishing The construction sector is no stranger to phishing attacks, which topped the list of initial access techniques between October 1, 2023, and September 30, 2024. This type of malware is designed to compromise user credentials, which are then sold on dark-web forums.

Ransomware 111

Ransomware Phishing Cyber threats Malware 111

Security Affairs

MAY 24, 2025

indicted Russian Rustam Gallyamov for leading the Qakbot botnet, which infected 700K+ devices and was used in ransomware attacks. authorities have indicted Russian national Rustam Gallyamov, the leader of the Qakbot operation, which infected over 700,000 computers and facilitated ransomware attacks. and abroad.

Cybercrime 121

Cybercrime Cryptocurrency Ransomware Malware 121

Krebs on Security

FEBRUARY 20, 2024

authorities have seized the darknet websites run by LockBit , a prolific and destructive ransomware group that has claimed more than 2,000 victims worldwide and extorted over $120 million in payments. In May 2023, U.S. First surfacing in September 2019, the gang is estimated to have made hundreds of millions of U.S.

Ransomware 331

Ransomware Cybercrime Encryption Insurance 331

Security Affairs

FEBRUARY 11, 2025

Authorities dismantled the 8Base ransomware gang, shutting down its dark web data leak and negotiation sites. An international law enforcement operation, codenamed Operation Phobos Aetor, dismantled the 8Base ransomware gang. The ransomware component is then decrypted and loaded into the SmokeLoader process memory.

Ransomware 71

Ransomware Encryption Backups Malware 71

Security Affairs

MARCH 24, 2025

The Cloak ransomware group claims responsibility for a cyberattack on the Virginia Attorney Generals Office that occurred in February. The ransomware group Cloak has claimed responsibility for a February cyberattack on the Virginia Attorney General Office. ” reads a report published by Halcyon.

Ransomware 103

Ransomware Hacking Social Engineering Manufacturing 103

Security Affairs

DECEMBER 21, 2024

Romanian national was sentenced to 20 years in prison for his role in NetWalker ransomware attacks, pleading guilty to fraud charges in June. Romanian national Daniel Christian Hulea, 30, was sentenced to 20 years in prison for his role in NetWalker ransomware attacks. ” reads the press release published by DoJ. in restitution.”

Ransomware 107

Ransomware Healthcare Government Cryptocurrency 107

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. Source: Reliaquest.com.

Hacking 315

Hacking Malware Ransomware Government 315

Security Affairs

MARCH 7, 2025

Medusa ransomware has claimed nearly 400 victims since January 2023, with attacks increasing by 42% between 2023 and 2024. The Symantec Threat Hunter Team reported that the Medusa ransomware operators have claimed nearly 400 victims since January 2023. Experts tracked the Medusa ransomware activity as Spearwing.

Ransomware 63

Ransomware Antivirus Healthcare Encryption 63

Tech Republic Security

DECEMBER 6, 2023

Based on the security researchers' analysis of the 2023 cyberthreat landscape, we highlight new or heightened risks.

Malware 212

Malware Ransomware Risk Cybersecurity 212

SecureList

NOVEMBER 29, 2024

More than 90,000 users experienced ransomware attacks. Nearly 18% of all victims published on ransomware gangs’ data leak sites (DLSs) had been hit by RansomHub. According to the UK’s National Crime Agency (NCA), this individual also was behind the infamous Reveton ransomware Trojan spread in 2012 — 2014.

Mobile 106

Mobile Adware Ransomware Malware 106

The Last Watchdog

DECEMBER 12, 2023

A look back at the cybersecurity landscape in 2023 rings all-too familiar: cyber threats rapidly evolved and scaled up , just as they have, year-to-year, for the past 20 years. Eyal Benishti , CEO, IRONSCALES Benishti Generative AI (GenAI) reshaped cybersecurity in 2023. What should I be most concerned about – and focus on – in 2024?

Cybersecurity 258

Cybersecurity Social Engineering Cyber threats Software 258

Krebs on Security

SEPTEMBER 27, 2023

The victim shaming site operated by the Snatch ransomware group is leaking data about its true online location and internal operations, as well as the Internet addresses of its visitors, KrebsOnSecurity has found. The victim shaming website for the Snatch ransomware gang. com and www-discord[.]com. the now-defunct pittsburghcitygirls[.]com).

Ransomware 326

Ransomware Internet Internet Phishing 326

The Last Watchdog

DECEMBER 16, 2024

Williams Dr. Darren Williams , CEO, BlackFog Lesser-known ransomware groups like Hunters International will grow rapidly, leveraging AI for more efficient attacks, while “gang-hopping” by cybercriminals complicates attribution and containment. This empowers them to proactively prioritize what matters most.

Cyber threats 264

Cyber threats CISO IoT Phishing 264

Krebs on Security

JUNE 8, 2023

But experts say that is exactly what transpired this week with Barracuda Networks , as the company struggled to combat a sprawling malware threat which appears to have undermined its email security appliances in such a fundamental way that they can no longer be safely updated with software fixes. Campbell, Calif. They don’t need it.

Firmware 340

Firmware Malware Software Ransomware 340

Tech Republic Security

APRIL 18, 2024

Nearly 10 million devices were infected with data-stealing malware in 2023, with criminals stealing an average of 50.9 credentials per device.

Malware 215

Malware Big data Data breaches Ransomware 215

Krebs on Security

AUGUST 5, 2024

A ransomware group called Dark Angels made headlines this past week when it was revealed the crime group recently received a record $75 million data ransom payment from a Fortune 50 company. ThreatLabz found Dark Angels has conducted some of the largest ransomware attacks to date, and yet little is known about the group.

Ransomware 285

Ransomware Insurance Healthcare Cybercrime 285

SecureList

NOVEMBER 29, 2024

The malware utilizes cloud resources for its C2 (command and control) servers, which it accesses via APIs using authentication tokens. While the modus operandi of the threat actor is reminiscent of the CloudWizard APT that we reported on in 2023, the malware code is completely different.

Energy and Utilities 104

Energy and Utilities Ransomware Malware Government 104

Security Affairs

NOVEMBER 13, 2024

In May 2023, Microsoft reported that the Volt Typhoon APT infiltrated critical infrastructure organizations in the U.S. In December 2023, the Black Lotus Labs team at Lumen Technologies linked a small office/home office (SOHO) router botnet, tracked as KV-Botnet to the operations of China-linked threat actor Volt Typhoon.

VPN 123

VPN Government Malware Manufacturing 123

Security Affairs

MARCH 17, 2025

A researcher released a free decryptor for Linux Akira ransomware, using GPU power to recover keys through brute force. Security researcher Yohanes Nugroho created a free decryptor for Linux Akira ransomware , using GPUs to brute force the decryption keys. The malware encrypts files using KCipher2 and Chacha8. Brute-forcing a 4.5

Ransomware 68

Ransomware Encryption Malware Hacking 68

SecureList

OCTOBER 21, 2024

According to Kaspersky Digital Footprint Intelligence, almost 10 million devices, both personal and corporate, were attacked by information stealers in 2023. Kral In mid-2023, we discovered the Kral downloader which, back then, downloaded the notorious Aurora stealer. In June 2024, we discovered a new domain delivering this malware.

Passwords 127

Passwords Malware Encryption Cryptocurrency 127

Krebs on Security

SEPTEMBER 13, 2023

11, 2023, USDoD resurfaced after a lengthy absence to leak sensitive employee data stolen from the aerospace giant Airbus , while promising to visit the same treatment on top U.S. In June 2023, the FBI seized the BreachForums domain name , but the forum has since migrated to a new domain. But on Sept. defense contractors.

Cybercrime 344

Cybercrime Passwords Authentication Malware 344

SecureList

DECEMBER 4, 2024

The statistics in this report cover the period from November 2023 through October 2024. The report doesn’t cover mobile statistics, which we will share in our annual mobile malware report. Prevented ransomware attacks on the computers of 303,298 unique users. Detected 85,013,784 unique malicious URLs.

Mobile 92

Mobile Malware Banking Ransomware 92

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.” Ransomware attacks on U.S. In 2023, Loretto Hospital experienced another data security incident. The Loretto Hospital is a not-for-profit, community-focused health care provider.

Hacking 116

Hacking Healthcare Backups Ransomware 116