Heimadal Security

NOVEMBER 1, 2021

The double-extortion ransomware group dubbed Hive also encrypts Linux and FreeBSD with new malware versions designed specifically for these operating systems. The post Hive Ransomware Now Encrypts Linux and FreeBSD Operating Systems appeared first on Heimdal Security Blog.

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The Last Watchdog

OCTOBER 23, 2024

Cybersecurity training for small businesses is critical, and SMBs should invest in training programs to help employees recognize threats such as phishing attacks, ransomware, and other malicious activities. INE Security advises businesses to secure their network by using firewalls, encrypting data, and regularly updating security software.

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Small Business Data breaches Backups Passwords 162

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.

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Ransomware Encryption Cryptocurrency Insurance 68

eSecurity Planet

OCTOBER 15, 2024

While American Water has not disclosed the exact method of attack, such incidents often involve tactics like ransomware or phishing , where hackers gain access to sensitive systems and either steal or encrypt data, demanding a ransom in return for restoring access.

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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

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.

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The Last Watchdog

APRIL 21, 2021

TLS, he says, is increasingly being used to cloak a wide array of the operational steps behind the most damaging attacks of the moment, namely ransomware attacks and massive data breaches. This surge in TLS abuse has shifted the security community’s focus back to a venerable network security tool, the firewall. Decryption bottleneck.

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eSecurity Planet

OCTOBER 4, 2021

percent of all malware detected on networks of WatchGuard Technologies customers in the second quarter came over encrypted connections, raising the security risk for the 80 percent of such organizations that lack processes for decrypting and scanning HTTPS traffic for threats. Malware in Encrypted Traffic. A surprising 91.5

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The Last Watchdog

AUGUST 15, 2022

The top ransomware gangs have become so relentless that it’s not unusual for two or more of them to attack the same company within a few days – or even a few hours. Related: How ‘IABs’ foster ransomware. Thus, some of the victim company’s assets got triple encrypted.

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Security Affairs

SEPTEMBER 9, 2022

Iran-linked APT group DEV-0270 (aka Nemesis Kitten) is abusing the BitLocker Windows feature to encrypt victims’ devices. Microsoft Security Threat Intelligence researchers reported that Iran-linked APT group DEV-0270 ( Nemesis Kitten ) has been abusing the BitLocker Windows feature to encrypt victims’ devices.

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Malwarebytes

NOVEMBER 6, 2024

An infection has been found, a breach was discovered, or ransomware has disabled systems or made files unretrievable. Very important files and documents can be encrypted or stored in password protected folders to keep them safe from prying eyes. Ransomware is contagious, so if your providers have it you likely will too.

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Small Business Backups Firewall VPN 101

SecureWorld News

JANUARY 16, 2025

A report from 2023 revealed that 67% of energy and utility companies faced ransomware attacks, with many incidents exploiting unpatched vulnerabilities. Regularly updating and patching systems, including antivirus software, firewalls, and SCADA networks, can mitigate this risk.

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Energy and Utilities IoT Artificial Intelligence Backups 109

Security Affairs

NOVEMBER 17, 2024

that reboots locked devices Ymir ransomware, a new stealthy ransomware grow in the wild Amazon discloses employee data breach after May 2023 MOVEit attacks A new fileless variant of Remcos RAT observed in the wild A surge in Pro-Russia cyberattacks after decision to monitor North Korean Troops in Ukraine U.S.

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CyberSecurity Insiders

JULY 16, 2021

SonicWall that offers next generation firewalls and various Cybersecurity solutions has announced that its customers using certain products are at a risk of being cyber attacked with ransomware. Otherwise, they can be targeted by a ransomware campaign that could spread the malware to the entire network.

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Security Affairs

APRIL 4, 2023

A new ransomware strain named Rorschach ransomware supports the fastest file-encrypting routine observed to date. The experts pointed out that the Rorschach ransomware appears to be unique. The experts pointed out that the Rorschach ransomware appears to be unique. ” continues the analysis.

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Encryption Ransomware Malware Backups 98

eSecurity Planet

MAY 25, 2022

Encryption and the development of cryptography have been a cornerstone of IT security for decades and remain critical for data protection against evolving threats. While cryptology is thousands of years old, modern cryptography took off in the 1970s with the help of the Diffie-Hellman-Merkle and RSA encryption algorithms.

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Encryption Computers and Electronics Password Management Passwords 138

Cisco Security

AUGUST 11, 2021

The REvil ransomware family has been in the news due to its involvement in high-profile incidents, such as the JBS cyberattack and the Kaseya supply chain attack. The threat actors behind REvil attacks operate under a ransomware-as-a-service model. The threat actors behind REvil attacks operate under a ransomware-as-a-service model.

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Ransomware DNS Encryption Backups 145

Thales Cloud Protection & Licensing

MAY 17, 2023

Ransomware – Stop’em Before They Wreak Havoc madhav Thu, 05/18/2023 - 06:03 Cybercriminals have been making a run on your data with ransomware attacks over the last decade in increasing frequency. What is Ransomware? Ransomware is a vicious type of malware that infects your laptop/desktop or server.

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Security Affairs

FEBRUARY 13, 2024

Authorities in Romania reported that at least 100 hospitals went offline after a ransomware attack hit the Hipocrate platform. Authorities in Romania confirmed that a ransomware attack that targeted the Hipocrate Information System (HIS) has disrupted operations for at least 100 hospitals. The threat actors demand the payment of 3.5

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Ransomware Backups Encryption Healthcare 139

Cisco Security

JULY 14, 2021

Ransomware is wreaking havoc. Ransomware is making its way outside the cybersecurity space. Most people probably know what ransomware is (if not, go here ). Ransomware is now everyone’s problem – from governments to corporations and even individuals. Why is ransomware so dangerous, especially now? What can we do?

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eSecurity Planet

OCTOBER 5, 2021

Malware has been around for nearly 40 years, longer even than the World Wide Web, but ransomware is a different kind of threat, capable of crippling a company and damaging or destroying its critical data. Ransomware Protection and Recovery Steps. Ransomware removal tools. Ransomware recovery services. Data backup.

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Ransomware Backups Encryption Insurance 139

eSecurity Planet

DECEMBER 7, 2023

Encryption uses mathematical algorithms to transform and encode data so that only authorized parties can access it. What Encryption Is and How It Relates to Cryptology The science of cryptography studies codes, how to create them, and how to solve them. How Does Encryption Process Data? How Does Encryption Process Data?

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Encryption Passwords IoT Firewall 115

eSecurity Planet

DECEMBER 2, 2022

Upon investigation, you discover it’s ransomware. Servers are encrypted with “ locked” file extensions on files. You look for your cold replica in your DR site, but like your production servers, it has also been encrypted by ransomware. All inter-VLAN traffic should go through a firewall.

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Architecture Ransomware Backups Firewall 115

Security Affairs

DECEMBER 8, 2024

officials urge Americans to use encrypted apps amid unprecedented cyberattack The Great Pokmon Go Spy Panic Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs hacking,newsletter) Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press.

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Artificial Intelligence Spyware Hacking Ransomware 102

Security Affairs

JANUARY 5, 2024

A threat actor announced the sale of the source code and a cracked version of the Zeppelin ransomware builder for $500. Researchers from cybersecurity firm KELA reported that a threat actor announced on a cybercrime forum the sale of the source code and a cracked version of the Zeppelin ransomware builder for $500.

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Ransomware Hacking Encryption Malware 131

Malwarebytes

JUNE 9, 2022

BlackBasta, an alleged subdivision of the ransomware group Conti , just began supporting the encryption of VMware’s ESXi virtual machines (VM) installed on enterprise Linux servers. This is probably why many cybersecurity communities associate them with known ransomware actors, particularly Conti.

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Ransomware Encryption Firewall Software 121

eSecurity Planet

JANUARY 11, 2024

These devices exist outside of direct corporate management and provide a ransomware gang with unchecked platforms for encrypting data. Ransomware remains just one of many different threats and as security teams eliminate key vectors of attack, adversaries will shift tactics. How does remote encryption work?

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Ransomware Encryption IoT VPN 124

SecureList

OCTOBER 1, 2024

Key Group, or keygroup777, is a financially motivated ransomware group primarily targeting Russian users. The group is known for negotiating with victims on Telegram and using the Chaos ransomware builder. Notably, on June 30, 2022, the creator of Chaos announced the launch of a RaaS (Ransomware-as-a-Service) partnership program.

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Ransomware Encryption Accountability Malware 121

Security Affairs

SEPTEMBER 20, 2020

National Cyber Security Centre (NCSC) has issued an alert about a surge in ransomware attacks targeting education institutions. National Cyber Security Centre (NCSC), has issued an alert about a surge in ransomware attacks against education institutions. PowerShell) to easily deploy tooling or ransomware. Pierluigi Paganini.

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Education Ransomware Antivirus Backups 145

The Last Watchdog

AUGUST 15, 2019

Stunning as these two high-profile attacks were, they do not begin to convey the full scope of what a pervasive and destructive phenomenon ransomware has become – to individuals, to companies of all sizes and, lately, to poorly defended local agencies. Probing and plundering Ransomware is highly resilient and flexible.

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Ransomware Internet Internet Hacking 196

Security Affairs

OCTOBER 13, 2024

The Mexican Drug Cartels Want You Casio: Notice of Partial Service Outage and Information Leak Caused by Ransomware Attack He founded a “startup” to access sanctioned Russian websites: the cyber police of Khmelnytskyi region exposed the hacker Hacked ‘AI Girlfriend’ Data Shows Prompts Describing Child Sexual Abuse Malware Over 300,000!

Data breaches 115

Data breaches Cryptocurrency Cybercrime Artificial Intelligence 115

Security Affairs

MAY 25, 2021

The audio equipment manufacturer Bose Corporation said it was the victim of a ransomware attack that took place earlier this year, on March 7. Bose Corporation has announced it was the victim of a ransomware attack that took place earlier this year, on March 7. Bose first detected the malware/ransomware on Bose’s U.S.

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Security Affairs

JUNE 1, 2021

Researchers spotted a new piece of ransomware named Epsilon Red that was employed at least in an attack against a US company. Researchers from Sophos spotted a new piece of ransomware, named Epsilon Red, that infected at least one organization in the hospitality sector in the United States. ps1 through 12.ps1 ps1 through 12.ps1

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Digital Shadows

MARCH 17, 2025

VPN Infrastructures Allure for Threat Actors PNs have become a fundamental part of network security for organizations worldwide, enabling secure remote access to systems, encrypting sensitive data during transmission, and protecting internal networks from unauthorized access.

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VPN Authentication Ransomware Risk 133

Malwarebytes

JULY 26, 2022

It’s no secret that ransomware is one of the most pressing cyber threats of our day. What worse, ransomware gangs have increased their attacks on a range of vulnerable industries, with disruptions to business operations, million-dollar ransom demands, data exfiltration, and extortion. Part 1: Your data has been encrypted!

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Encryption Ransomware Backups Firewall 86

Hacker Combat

MAY 4, 2022

Prevention is always recommended when it comes to ransomware infections. Learn how to remove ransomware in four key steps. Ransom virus, often known as ransomware, blocks users from gaining access to their computer or personal documents and requests payment in exchange for access. How do I detect a ransomware attack?

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SC Magazine

JUNE 16, 2021

The most pervasive wisdom about preventing damage from ransomware is to backup systems, but that alone may not be enough. The most pervasive wisdom about preventing damage from ransomware is to backup systems. Indeed, recovering from ransomware can be tough. Amy Sacka for Microsoft). Backups can make it easier.

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