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.

Ransomware 363

Ransomware Social Engineering Cybercrime Scams 363

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. LastPass reports that 80% of all hacking-related breaches leveraged either stolen and/or weak passwords.

Small Business 162

Small Business Data breaches Backups Passwords 162

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. The post Columbus Ransomware Attack Exposes 500,000+ Residents’ Data: How to Stay Safe appeared first on eSecurity Planet.

Ransomware 113

Ransomware Authentication Identity Theft Penetration Testing 113

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 116

Ransomware Identity Theft Data breaches Cyber threats 116

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 . locked extension to the filenames of encrypted files.

Healthcare 87

Healthcare Ransomware VPN Malware 87

Malwarebytes

JANUARY 6, 2025

A US chain of dental offices known as Westend Dental LLC denied a 2020 ransomware attack and its associated data breach, instead telling their customers that data was lost due to an accidentally formatted hard drive. In October 2020, Westend Dental was attacked by the Medusa Locker ransomware group.

Data breaches 145

Data breaches Ransomware Passwords Insurance 145

The Last Watchdog

APRIL 28, 2022

Passwords have become ubiquitous with digital. The humble password is nothing more than a digital key that opens a door. And they use passwords to open a device, a system, an account, a file and so on. Which begs the question: why do people create their own passwords? Yet most people don’t know how to use them properly.

Passwords 237

Passwords Encryption Phishing Social Engineering 237

Krebs on Security

DECEMBER 7, 2019

A Colorado company that specializes in providing IT services to dental offices suffered a ransomware attack this week that is disrupting operations for more than 100 dentistry practices, KrebsOnSecurity has learned. When asked about reports of a ransomware attack on his company, Miner simply said it was not a good time and hung up.

Ransomware 247

Ransomware Backups Insurance Wireless 247

Security Affairs

NOVEMBER 22, 2021

Memento ransomware group locks files inside WinRAR password-protected archives after having observed that its encryption process is blocked by security firms. In October, Sophos researchers have spotted the Memento ransomware that adopts a curious approach to block access to victims’ files. Pierluigi Paganini.

Passwords 145

Passwords Ransomware Encryption Backups 145

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

Schneier on Security

JANUARY 10, 2023

. …within a few weeks of ChatGPT going live, participants in cybercrime forums—­some with little or no coding experience­—were using it to write software and emails that could be used for espionage, ransomware, malicious spam, and other malicious tasks.

Malware 66

Malware Encryption Cybercrime Passwords 66

Adam Levin

SEPTEMBER 22, 2020

The personal information of 540,000 sports referees, league officials, and school representatives has been compromised following a ransomware attack targeting a software vendor for the athletics industry. The company has declined to comment on the incident outside of its initial statement. .

Identity Theft 246

Identity Theft Passwords Backups Encryption 246

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.

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Ransomware Healthcare Cybercrime Government 303

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 67

Firewall Ransomware VPN Encryption 67

The Last Watchdog

JUNE 21, 2020

Ransomware is undoubtedly one of the most unnerving phenomena in the cyber threat landscape. Related: What local government can do to repel ransomware Ransomware came into existence in 1989 as a primitive program dubbed the AIDS Trojan that was spreading via 5.25-inch inch diskettes. inch diskettes. FBI spoofs 2012 – 2013.

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Ransomware Hacking Encryption Penetration Testing 243

SecureWorld News

MAY 5, 2025

Companies that treat burnout like an HR issue instead of a security risk are leaving their front door wide openand ransomware gangs are walking right in. It's not about brute-forcing passwords; it's about brute-forcing human weakness at exactly the right time. A ransomware group doesn't hit during periods of stability.

Ransomware 87

Ransomware Firewall Encryption Phishing 87

Security Affairs

MAY 27, 2025

Sophos warns that a DragonForce ransomware operator chained three vulnerabilities in SimpleHelp to target a managed service provider. Sophos researchers reported that a DragonForce ransomware operator exploited three chained vulnerabilities in SimpleHelp software to attack a managed service provider.

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Ransomware Software Retail Data breaches 106

Malwarebytes

MAY 1, 2025

These messages frequently warn recipients about a problem with their accounts, like a password that needs to be updated, a policy change that requires a login, or a delayed package that has to be approved. In reality, those usernames and passwords are delivered directly to cybercriminals on the other side of the website.

Small Business 98

Small Business Cybersecurity Scams Passwords 98

SecureList

APRIL 18, 2022

Yanluowang is a type of targeted ransomware discovered by the Symantec Threat Hunter team as they were investigating an incident on a large corporate network. Kaspersky experts have found a vulnerability in the Yanluowang encryption algorithm and created a free decryptor to help victims of this ransomware with recovering their files.

Encryption 145

Encryption Ransomware Backups VPN 145

SecureList

APRIL 18, 2022

Yanluowang is a type of targeted ransomware discovered by the Symantec Threat Hunter team as they were investigating an incident on a large corporate network. Kaspersky experts have found a vulnerability in the Yanluowang encryption algorithm and created a free decryptor to help victims of this ransomware with recovering their files.

Encryption 145

Encryption Ransomware Backups VPN 145

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.

Ransomware 83

Ransomware Malware Risk Accountability 83

SecureList

OCTOBER 7, 2021

These days, when speaking of cyberthreats, most people have in mind ransomware, specifically cryptomalware. This roundup spotlights the ransomware Trojan families that most actively attacked businesses in the CIS in H1 2021, and their technical characteristics. Ransomware families at a glance. Note left by the ransomware.

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Ransomware Encryption Passwords Malware 144

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

SecureWorld News

MAY 21, 2025

In a bold response to a sophisticated insider-led data breach, Coinbase has turned the tables on cybercriminals who recently targeted the organization with ransomware. No passwords, private keys, or funds were compromised, according to the company. Coinbase, the largest cryptocurrency exchange platform in the U.S.,

Ransomware 96

Ransomware Social Engineering Data breaches Cryptocurrency 96

eSecurity Planet

MAY 5, 2025

A notorious hacker group known as Golden Chickens is back in the spotlight after cybersecurity researchers discovered two new digital weapons designed to steal passwords, watch every word you type, and target your cryptocurrency. TerraCrypt : ransomware. TerraLoader : a malware loader. TerraTV : used to hijack TeamViewer sessions.

Passwords 67

Passwords Malware Cryptocurrency Cybercrime 67

eSecurity Planet

AUGUST 4, 2022

It’s been a couple of decades since data tapes delivered by trucks made encryption a standard enterprise cybersecurity practice. Yet even as technology has changed, sending and receiving data remains a major vulnerability, ensuring encryption’s place as a foundational security practice. What is Encryption?

Encryption 132

Encryption Software Computers and Electronics Technology 132

SecureList

OCTOBER 21, 2024

Also, they both use the same key for string encryption. The stealer also embeds a specific trick to collect the macOS user password. The archive is password protected, but the password is found at the same URL as the archive. The archive is password protected, but the password is found at the same URL as the archive.

Passwords 127

Passwords Malware Encryption Cryptocurrency 127

Security Affairs

DECEMBER 19, 2022

Researchers spotted a new variant of the Agenda ransomware which is written in the cross-platform programming language Rust. Trend Micro researchers have spotted a new variant of the Agenda ransomware (aka Qilin) that is written in Rust Language. The researchers estimated that combined revenue surpasses US$550 million. AGENDA.THIAFBB.”

Ransomware 143

Ransomware Encryption Healthcare Education 143

SecureWorld News

MAY 28, 2025

In early May 2025, two of the United Kingdom's best-known grocers, Marks & Spencer (M&S) and the Co-op, as well as luxury retailer Harrods, were struck by sophisticated social-engineering attacks that tricked IT teams into resetting critical passwords and deploying ransomware across their networks. retail industry.

Retail 105

Retail Social Engineering Passwords Ransomware 105

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 130

Ransomware Encryption Passwords Hacking 130

SecureWorld News

JUNE 9, 2025

Much of the industry still relies on legacy operational tech (OT) systems that lack modern security features such as automated patch management and encryption by default. Ransomware is especially prevalent, with 55% of civil aviation cyber decision-makers admitting to being victims in the past 12 months.

Cybersecurity 117

Cybersecurity Social Engineering Computers and Electronics Risk 117

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.

Cybersecurity 133

Cybersecurity Penetration Testing Cyber threats Firewall 133

Krebs on Security

DECEMBER 8, 2022

Ransomware groups are constantly devising new methods for infecting victims and convincing them to pay up, but a couple of strategies tested recently seem especially devious. Department of Health and Human Services (HHS) warned that Venus ransomware attacks were targeting a number of U.S. Encrypting sensitive data wherever possible.

Healthcare 331

Healthcare Backups Ransomware Insurance 331

Krebs on Security

FEBRUARY 23, 2019

Payroll software provider Apex Human Capital Management suffered a ransomware attack this week that severed payroll management services for hundreds of the company’s customers for nearly three days. The company declined to specify how much was paid or what strain of ransomware was responsible for the attack. Roswell, Ga.

Backups 273

Backups Ransomware Encryption Internet 273

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.

Ransomware 214

Ransomware System Administration Cyber Attacks Hacking 214

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.

Encryption 138

Encryption Computers and Electronics Password Management Passwords 138

Malwarebytes

NOVEMBER 6, 2024

An infection has been found, a breach was discovered, or ransomware has disabled systems or made files unretrievable. Lock things down Having a strict policy to protect your important assets with strong passwords and multi-factor authentication (MFA) should be a no-brainer. There is the first issue right there.

Small Business 104

Small Business Backups Firewall VPN 104