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. ” Meanwhile, the U.S.

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The Last Watchdog

MARCH 28, 2025

Mar 28, 2025, CyberNewswire — From WannaCry to the MGM Resorts Hack, ransomware remains one of the most damaging cyberthreats to plague enterprises. Traditionally, the primary target of ransomware has been the victims device. Palo Alto, Calif.,

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Krebs on Security

AUGUST 19, 2021

Criminal hackers will try almost anything to get inside a profitable enterprise and secure a million-dollar payday from a ransomware infection. ” This attacker’s approach may seem fairly amateur, but it would be a mistake to dismiss the threat from West African cybercriminals dabbling in ransomware.

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Security Boulevard

JANUARY 28, 2025

Ransomware attacks surged to a record high in December 2024, with 574 incidents reported, according to an NCC Group report. FunkSec, a newly identified group combining hacktivism and cybercrime, accounted for over 100 attacks (18% of the total), making it the most active group that month, ahead of Cl0p, Akira and RansomHub.

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Security Affairs

MARCH 30, 2025

The Walmart-owned membership warehouse club chain Sams Club is investigating claims of a Cl0p ransomware security breach. This represents a significant portion of Walmart’s overall earnings, as Sam’s Club accounts for about 13% of Walmart’s consolidated net sales. Victims include Petmate, and Simple Human.

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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.

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SecureWorld News

DECEMBER 3, 2024

In a surprising move related to international cybercrime, Russian authorities have charged Mikhail Matveev, also known as "Wazawaka," with creating ransomware to extort commercial organizations, according to Russian media outlet RIA. His alleged exploits include: The 2021 attack on Washington, D.C.'s Multiple attacks on critical U.S.

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Cybercrime Ransomware Healthcare Cryptocurrency 104

Security Affairs

JANUARY 15, 2025

The ransomware group Codefinger is using compromised AWS keys to encrypt S3 bucket data using SSE-C, Halcyon researchers warn. The ransomware group Codefinger has been spotted using compromised AWS keys to encrypt data in S3 buckets. Halcyon researchers pointed out that this ransomware campaign does not exploit any AWS vulnerability.

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Encryption Ransomware Authentication Accountability 117

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.

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eSecurity Planet

NOVEMBER 6, 2024

Following a July 18 attack by the Rhysida ransomware group — believed to have Russian affiliations — Columbus is still reeling from the exposure of vast amounts of sensitive resident data. This data reportedly includes everything from names and addresses to Social Security numbers and bank account details. With over 6.5

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Ransomware Authentication Identity Theft Penetration Testing 113

Security Affairs

DECEMBER 9, 2024

Deloitte has responded to claims by the Brain Cipher ransomware group, which alleges the theft of over 1 terabyte of the company’s data. Recently, the ransomware group Brain Cipher added Deloitte UK to its Tor leak site. The Brain Cipher ransomware group has been active since at least April 2024.On

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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.

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Krebs on Security

MARCH 2, 2021

PrismHR , a company that sells technology used by other firms to help more than 80,000 small businesses manage payroll, benefits, and human resources, has suffered what appears to be an ongoing ransomware attack that is disrupting many of its services. Hopkinton, Mass.-based Decimal itself uses a PEO that relies on PrismHR.

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Digital Shadows

NOVEMBER 12, 2024

DRP Insights: Credential Exposure Makes Up 75% of Alerts Construction companies are increasingly vulnerable to opportunistic attacks, with credential exposure incidents now accounting for 75% of all GreyMatter Digital Risk Protection (DRP) alerts for the sector.

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SecureWorld News

NOVEMBER 14, 2024

Ransomware attacks on healthcare organizations have sharply increased in 2024, as shown by recent research from Safety Detectives. Compared to 2023, healthcare providers are facing a higher frequency of ransomware incidents, impacting their ability to deliver essential services and protect sensitive patient data.

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Krebs on Security

MAY 16, 2023

A Russian man identified by KrebsOnSecurity in January 2022 as a prolific and vocal member of several top ransomware groups was the subject of two indictments unsealed by the Justice Department today. And on April 26, 2021, Matveev and his Babuk gang allegedly deployed ransomware against the Metropolitan Police Department in Washington, D.C.

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Adam Levin

JUNE 4, 2021

You would think that ExaGrid, a backup appliance and anti-ransomware service might know how to avoid ransomware, but it was hit. . million after it was hit with Conti ransomware. . The FBI announced last month that Conti ransomware had been used against the Irish healthcare system and at least sixteen U.S.

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Krebs on Security

DECEMBER 19, 2023

Federal Bureau of Investigation (FBI) disclosed today that it infiltrated the world’s second most prolific ransomware gang, a Russia-based criminal group known as ALPHV and BlackCat. BlackCat formed by recruiting operators from several competing or disbanded ransomware organizations — including REvil , BlackMatter and DarkSide.

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Krebs on Security

MARCH 5, 2024

healthcare giant Change Healthcare has made a $22 million extortion payment to the infamous BlackCat ransomware group (a.k.a. BlackCat is known as a “ransomware-as-service” collective, meaning they rely on freelancers or affiliates to infect new networks with their ransomware. There are indications that U.S.

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Krebs on Security

SEPTEMBER 18, 2023

The victim shaming website operated by the cybercriminals behind 8Base — currently one of the more active ransomware groups — was until earlier today leaking quite a bit of information that the crime group probably did not intend to be made public. The 8Base ransomware group’s victim shaming website on the darknet.

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Security Affairs

NOVEMBER 4, 2024

The July 2024 ransomware attack that hit the City of Columbus, Ohio, exposed the personal and financial data of 500,000 individuals. On July 29, 2024, the City published an update on the City’s website and confirmed that the City of Columbus suffered a ransomware attack. The gang claimed they had stolen databases containing 6.5

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Ransomware Identity Theft Data breaches Cyber threats 114

The Last Watchdog

DECEMBER 16, 2024

Gen AI threats and quantum computing exposures must be accounted for. 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.

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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. LockBit members have executed attacks against thousands of victims in the United States and around the world, according to the U.S.

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Security Affairs

FEBRUARY 20, 2025

NailaoLocker ransomware is a new threat that targeted European healthcare organizations from June to October 2024. ” Threat actors could exploit the flaw to extract information on gateways, including password hashes for all local accounts. The ransomware appends the . ” reads the report Orange Cyberdefense CERT.

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Healthcare Ransomware VPN Malware 86

Krebs on Security

MARCH 1, 2022

A Ukrainian security researcher this week leaked several years of internal chat logs and other sensitive data tied to Conti , an aggressive and ruthless Russian cybercrime group that focuses on deploying its ransomware to companies with more than $100 million in annual revenue. The Contileaks account did not respond to requests for comment.

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Krebs on Security

MARCH 11, 2025

Treasury Office of Foreign Assets Control in April 2022 for receiving hundreds of millions in criminal proceeds, including funds used to facilitate hacking, ransomware, terrorism and drug trafficking. authorities separately obtained earlier copies of Garantexs servers, including customer and accounting databases.

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Security Affairs

MARCH 26, 2025

Resecurity found an LFI flaw in the leak site of BlackLock ransomware, exposing clearnet IPs and server details. Resecurity has identified a Local File Include (LFI) vulnerability in Data Leak Site (DLS) of BlackLock Ransomware. BlackLock Ransomware was named as one of the fastest-growing ransomware strains for today.

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Security Boulevard

FEBRUARY 19, 2025

Cybercrime-as-a-Service (CaaS) now accounts for 57% of all cyberthreats, marking a 17% increase from the first half of 2024, according to Darktraces Annual Threat Report. The post CaaS Surges in 2025, Along With RATs, Ransomware appeared first on Security Boulevard.

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Security Affairs

OCTOBER 19, 2024

This week, 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. Overlapping indicators link these cases to prior Fog and Akira ransomware attacks. In one case, attackers dropped Fog ransomware.

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Krebs on Security

NOVEMBER 21, 2024

That Joeleoli moniker registered on the cybercrime forum OGusers in 2018 with the email address joelebruh@gmail.com , which also was used to register accounts at several websites for a Joel Evans from North Carolina. Click to enlarge.

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Malwarebytes

JANUARY 10, 2025

The RansomHub ransomware group claims to have exfiltrated an enormous 1.5 Here, the ransomware group lays blame on the company itself. This isn’t rare for a ransomware group, as the tactics and vernacular are often based around shame, guilt, and a pre-teen-like arrogance. Take your time.

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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.

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Malwarebytes

APRIL 15, 2025

The car rental giants data was stolen in a ransomware attack leveraging a vulnerability in Cleo file sharing products. Phishing attacks often impersonate people or brands you know, and use themes that require urgent attention, such as missed deliveries, account suspensions, and security alerts. Take your time.

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Security Affairs

NOVEMBER 25, 2024

Zyxel warns that a ransomware group has been observed exploiting a recently patched command injection issue in its firewalls. Zyxel warns that a ransomware gang has been observed exploiting a recently patched command injection vulnerability, tracked as CVE-2024-42057, in its firewalls for initial compromise.

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Digital Shadows

FEBRUARY 17, 2025

Key Findings First observed in March 2024, BlackLock (aka El Dorado or Eldorado) has rapidly emerged as a major player in the ransomware-as-a-service (RaaS) ecosystem. By Q4 2024, it ranked as the 7th most prolific ransomware group on data-leak sites, fueled by a staggering 1,425% increase in activity from Q3.

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Security Affairs

MARCH 14, 2025

Operators behind the SuperBlack ransomware exploited two vulnerabilities in Fortinet firewalls for recent attacks. Between January and March, researchers at Forescout Research Vedere Labs observed a threat actors exploiting two Fortinet vulnerabilities to deploy the SuperBlack ransomware. ” reads the report.

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Firewall Ransomware VPN Encryption 66

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.

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