Security Affairs

APRIL 25, 2025

The Interlock ransomware gang claimed responsibility for the attack on the leading kidney dialysis company DaVita and leaked alleged stolen data. Theyve activated contingency plans and manual procedures where necessary and are working to securely restore affected systems. The DaVita network was encrypted by InterLock Ransomware.

Ransomware 98

Ransomware Encryption Insurance Marketing 98

Krebs on Security

SEPTEMBER 15, 2021

TTEC , [ NASDAQ: TTEC ], a company used by some of the world’s largest brands to help manage customer support and sales online and over the phone, is dealing with disruptions from a network security incident resulting from a ransomware attack, KrebsOnSecurity has learned. ET: TTEC confirmed a ransomware attack.

Ransomware 354

Ransomware Banking Cryptocurrency Media 354

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

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 84

Ransomware Encryption VPN Malware 84

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. Louis, Missouri.

Healthcare 121

Healthcare Ransomware Identity Theft Data breaches 121

Security Affairs

AUGUST 31, 2021

Recently emerged LockFile ransomware family LockFile leverages a novel technique called intermittent encryption to speed up encryption. LockFile ransomware gang started its operations last month, recently it was spotted targeting Microsoft Exchange servers using the recently disclosed ProxyShell vulnerabilities.

Encryption 142

Encryption Ransomware Financial Services Antivirus 142

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.

Ransomware 101

Ransomware Hacking Social Engineering VPN 101

Security Affairs

FEBRUARY 20, 2025

NailaoLocker ransomware is a new threat that targeted European healthcare organizations from June to October 2024. The experts believe threat actors exploited the zero-dayCVE-2024-24919 in Check Point Security Gateways with Remote Access VPN or Mobile Access features. The ransomware appends the . The ransomware appends the .

Healthcare 84

Healthcare Ransomware VPN Malware 84

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

Ransomware 113

Ransomware Identity Theft Data breaches Cyber threats 113

Security Affairs

JUNE 8, 2022

Black Basta ransomware gang implemented a new feature to encrypt VMware ESXi virtual machines (VMs) running on Linux servers. The Black Basta ransomware gang now supports encryption of VMware ESXi virtual machines (VMs) running on Linux servers. SecurityAffairs – hacking, Black Basta ransomware).

Encryption 145

Encryption Ransomware Malware Hacking 145

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 69

Ransomware Encryption Backups Malware 69

Security Affairs

OCTOBER 5, 2021

An unnamed ransomware gang used a custom Python script to target VMware ESXi and encrypt all the virtual machines hosted on the server. Researchers from Sophos were investigating a ransomware attack when discovered that the attackers employed a Python script to encrypt virtual machines hosted on VMware ESXi servers.

Encryption 145

Encryption Ransomware Passwords Accountability 145

SecureWorld News

MARCH 31, 2025

In a digital world defined by ransomware, cloud sprawl, and hybrid infrastructures, the ability to recover data quickly and securely is one of the most important indicators of an organization's cyber resilience. Ransomware's bullseye: your backups Cybercriminals know that if they can destroy your backups, they've won.

Backups 101

Backups Mobile Encryption CISO 101

The Last Watchdog

JUNE 21, 2020

Ransomware is undoubtedly one of the most unnerving phenomena in the cyber threat landscape. Numerous strains of this destructive code have been the front-page news in global computer security chronicles for almost a decade now, with jaw-dropping ups and dramatic downs accompanying its progress. inch diskettes. inch diskettes.

Ransomware 243

Ransomware Hacking Encryption Penetration Testing 243

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. It’s just some kind of sabotage.” 23, 2020.

Ransomware 300

Ransomware Healthcare Cybercrime Government 300

Security Affairs

JULY 6, 2022

Hive ransomware operators have improved their file-encrypting module by migrating to Rust language and adopting a more sophisticated encryption method. ” These upgrades prove that Hive is one of the fastest evolving ransomware families in the cybercrime ecosystem. . ” reads the post published by Microsoft.

Encryption 136

Encryption Ransomware Cybercrime Malware 136

Security Affairs

OCTOBER 29, 2021

The Hive ransomware operators have developed a new variant of their malware that can encrypt Linux and FreeBSD. ESET researchers discovered a new Hive ransomware variant that was specifically developed to encrypt Linux and FreeBSD. ESETresearch has identified Linux and FreeBSD variants of the #Hive #Ransomware.

Encryption 135

Encryption Ransomware Spyware Malware 135

Security Affairs

JULY 29, 2021

ransomware is now able to encrypt Windows domains by using Active Directory group policies. ransomware that encrypts Windows domains by using Active Directory group policies. ransomware that encrypts Windows domains by using Active Directory group policies. Like other ransomware operations, LockBit 2.0

Encryption 145

Encryption Ransomware Malware Hacking 145

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.

Ransomware 66

Ransomware Encryption Malware Hacking 66

The Last Watchdog

DECEMBER 2, 2021

Ransomware attacks have reached a record high this year, with nearly 250 attacks recorded to date and months to go. As we’ve seen with major attacks like Kaseya and Colonial Pipeline, cybercriminals have continued to innovate, developing new tools and tactics to encrypt and exfiltrate data. billion this year.

Ransomware 262

Ransomware Technology Cybersecurity Backups 262

Security Affairs

MARCH 13, 2025

The Medusa ransomware operation hit over 300 organizations in critical infrastructure sectors in the United States until February 2025. The FBI, CISA, and MS-ISAC have issued a joint advisory detailing Medusa ransomware tactics, techniques, and indicators of compromise (IOCs) based on FBI investigations as recent as February 2025.

Ransomware 68

Ransomware Encryption Cryptocurrency Insurance 68

Security Affairs

APRIL 30, 2025

The RAT supports advanced evasion techniques, including living-off-the-land ( LOTL ) tactics and encrypted command and control (C2) communications. opendnsapi.net), and uses IPFS to retrieve encrypted modules. Finally, the team started using Team Underground ransomware in July 2023 in a completely similar manner.”

Encryption 97

Encryption Ransomware Malware Phishing 97

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. He declined to comment on the particulars of the extortion incident.

Hacking 356

Hacking Ransomware Banking Accountability 356

Security Affairs

MARCH 2, 2025

The Qilin ransomware group claims responsibility for attacking the newspaper Lee Enterprises, stealing 350GB of data. The Qilin ransomware group claimed responsibility for the recent cyberattack on Lee Enterprises, which impacted dozens of local newspapers. Yet, the information weve uncovered might offer a different perspective.

Ransomware 75

Ransomware Cybercrime Encryption Healthcare 75

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 61

Ransomware Antivirus Healthcare Encryption 61

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. SuperBlack modifies LockBit 3.0s

Firewall 65

Firewall Ransomware VPN Encryption 65

Security Affairs

JANUARY 28, 2025

ENGlobal reported to the SEC that personal information was compromised in a ransomware attack that took place in November 2024. ENGlobal disclosed a ransomware attack that occurredin November, in a SEC filingthe company confirmed that threat actors gained access to personal information.

Ransomware 65

Ransomware Encryption Hacking Technology 65

Security Affairs

NOVEMBER 19, 2023

8Base ransomware operators were observed using a variant of the Phobos ransomware in a recent wave of attacks. Cisco Talos researchers observed 8Base ransomware operators using a variant of the Phobos ransomware in recent attacks. The ransomware component is then decrypted and loaded into the SmokeLoader process’ memory.

Ransomware 139

Ransomware Encryption Backups Malware 139

Security Affairs

OCTOBER 20, 2024

Expanding the Investigation: Deep Dive into Latest TrickMo Samples HijackLoader evolution: abusing genuine signing certificates FASTCash for Linux Water Makara Uses Obfuscated JavaScript in Spear Phishing Campaign, Targets Brazil With Astaroth Malware Technical Analysis of DarkVision RAT Encrypted Symphony: Infiltrating the Cicada3301 Ransomware-as-a-Service (..)

Malware 122

Malware Ransomware Encryption Phishing 122

Security Affairs

DECEMBER 22, 2022

The Vice Society ransomware group has adopted new custom ransomware, with a strong encryption scheme, in recent intrusions. SentinelOne researchers discovered that the Vice Society ransomware gang has started using a custom ransomware that implements a robust encryption scheme, using NTRUEncrypt and ChaCha20-Poly1305 algorithms.

Ransomware 145

Ransomware Encryption Malware Education 145

Security Affairs

SEPTEMBER 2, 2024

A new ransomware-as-a-service (RaaS) operation called Cicada3301 has emerged in the threat landscape and already targeted tens of companies. Cicada3301 is a new ransomware-as-a-service (RaaS) operation that appeared in the threat landscape. The Cicada3301 ransomware is written in Rust and targets both Windows and Linux/ESXi hosts.

Ransomware 134

Ransomware Encryption Malware Cybercrime 134

Security Affairs

SEPTEMBER 2, 2022

Uptycs researchers recently spotted a new Linux ransomware that appears to be under active development. The Uptycs Threat Research team recently observed an Executable and Linkable Format ( ELF ) ransomware which encrypts the files inside Linux systems based on the given folder path. Figure 1: DarkAngels ransomware README.

Ransomware 145

Ransomware Encryption Malware Hacking 145

Security Affairs

JUNE 5, 2021

Cyble researchers investigated a recent attack on an India-based IT firm that was hit by the BlackCocaine Ransomware gang. The company reported the security breach to the Bombay Stock Exchange (BSE) and the National Stock Exchange of India (NSEI). BlackCocaine ” to the filenames of encrypted files. ” concludes the report.

Ransomware 145

Ransomware Malware Encryption Financial Services 145

Security Affairs

DECEMBER 14, 2021

Bitdefender researchers discovered that threat actors are attempting to exploit the Log4Shell flaw to deliver the new Khonsari ransomware on Windows machines. Experts warn that threat actors are attempting to exploit the Log4Shell flaw to deliver the new Khonsari ransomware on Windows machines. SecurityAffairs – hacking, ransomware).

Ransomware 145

Ransomware Encryption Engineering Malware 145

Security Affairs

JULY 15, 2021

HelloKitty ransomware gang is using a Linux variant of their malware to target VMware ESXi virtual machine platform. A Linux variant of the HelloKitty ransomware was employed in attacks against VMware ESXi systems. Once the virtual machines are shut down, the ransomware will encrypt .vmdk vmdk (virtual hard disk), .vmsd

Ransomware 145

Ransomware Encryption Malware Hacking 145

Security Affairs

APRIL 13, 2025

The ransomware group has since leaked the stolen data on its dark web leak site. Compromised data includes full names, contact details, ID numbers, banking information, drivers license numbers, medical records and passport details. Ransomware attacks on U.S. The gang claimed the theft of 2 TB of data.

Data breaches 126

Data breaches Unstructured Data Identity Theft Healthcare 126

Security Affairs

JULY 9, 2024

Avast developed and released a decryptor for the DoNex ransomware family that allows victims to recover their files for free. Avast researchers identified a cryptographic flaw in the DoNex ransomware and its predecessors that allowed them to develop a decryptor. “All brands of the DoNex ransomware are supported by the decryptor.”

Ransomware 126

Ransomware Encryption Passwords Hacking 126