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.

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Small Business Data breaches Backups Passwords 162

Tech Republic Security

APRIL 16, 2021

The ransomware changes the device password to "DTrump4ever" and forces the device to log in automatically after being rebooted.

Passwords 176

Passwords Ransomware Encryption 176

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.

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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 114

Ransomware Identity Theft Data breaches Cyber threats 114

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.

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Data breaches Ransomware Passwords Insurance 143

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.

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Passwords Encryption Phishing Social Engineering 237

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 85

Healthcare Ransomware VPN Malware 85

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.

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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.

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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.

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Encryption Ransomware Passwords Accountability 145

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 66

Firewall Ransomware VPN Encryption 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. .

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Identity Theft Passwords Backups Encryption 246

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.

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Malware Encryption Cybercrime Passwords 65

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 304

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

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.

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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.

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Encryption Ransomware Backups VPN 145

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

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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Ransomware Malware Risk Accountability 83

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.

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Hacking Ransomware Banking Accountability 359

Webroot

OCTOBER 31, 2024

This year has seen ransomware groups adapt and innovate, pushing the boundaries of their malicious capabilities and evasiveness from law enforcement. The ransomware sector, in particular, has witnessed the emergence of “business models,” with ransomware-as-a-service (RaaS) dominating the scene.

Malware 108

Malware Ransomware Passwords Healthcare 108

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?

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Encryption Software Computers and Electronics Technology 132

Hacker Combat

APRIL 6, 2022

Ransomware attacks targeting governments, businesses, hospitals, and private individuals are rising. You are neither safe on your private nor public network, as ransomware can encrypt your files and hold them hostage. We will look at the features of some of the best ransomware protection that you can run on your systems.

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Ransomware Antivirus Encryption Passwords 130

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.”

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Ransomware Encryption Healthcare Education 143

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.”

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Ransomware Encryption Passwords Hacking 128

SecureList

APRIL 15, 2024

They generated a custom version of the ransomware, which used the aforementioned account credential to spread across the network and perform malicious activities, such as killing Windows Defender and erasing Windows Event Logs in order to encrypt the data and cover its tracks. In this article, we revisit the LockBit 3.0

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Ransomware Encryption Passwords Accountability 138

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

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

SecureWorld News

OCTOBER 31, 2024

Like vampires, malware strains can operate quietly, leeching data or encrypting files without warning, making ransomware and spyware infections incredibly haunting. How to keep the ghosts away : Conduct routine audits of connected devices, disconnect unused devices, and enforce strong password policies across all endpoints.

IoT 119

IoT Phishing DDOS Backups 119

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

Krebs on Security

MAY 13, 2024

and Australia in sanctioning and charging a Russian man named Dmitry Yuryevich Khoroshev as the leader of the infamous LockBit ransomware group. used the password 225948. Pin was active on Opensc around March 2012, and authored 13 posts that mostly concerned data encryption issues, or how to fix bugs in code.

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Ransomware Cybercrime Accountability Malware 300

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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Ransomware System Administration Cyber Attacks Hacking 214

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 325

Healthcare Backups Ransomware Insurance 325

CyberSecurity Insiders

OCTOBER 13, 2021

Every year, ransomware evolves to become a greater threat to the security of organizations. In 2020, ransomware attacks grew by 150%, and are growing even faster in 2021 , and with costs to repair the damage they cause in the millions of dollars, many organizations are desperate for solutions. Effects of Ransomware.

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Ransomware Passwords Authentication Encryption 144

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.

Encryption 142

Encryption Internet Internet Firewall 142

SecureWorld News

NOVEMBER 7, 2024

In the same way, utilities around the world have experienced service disruptions as ransomware targets back-end systems. End-to-end encryption: Encrypt all data from sensors to controller. Change your encryption keys periodically to reduce the risk of keys being exposed.

IoT 109

IoT Firmware Encryption Authentication 109

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.

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Ransomware Backups Encryption Internet 262