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. ” Image: Sophos.

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Ransomware Social Engineering Cybercrime Scams 363

Krebs on Security

JUNE 2, 2020

The criminal group behind the REvil ransomware enterprise has begun auctioning off sensitive data stolen from companies hit by its malicious software. A partial screenshot from the REvil ransomware group’s Dark Web blog. and Europe in early March.” So it’s a double vig.”

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Ransomware Backups Encryption Internet 343

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. Change your password.

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Ransomware Data breaches Passwords Phishing 96

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

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 115

Krebs on Security

NOVEMBER 2, 2021

A number of publications in September warned about the emergence of “ Groove ,” a new ransomware group that called on competing extortion gangs to unite in attacking U.S. Some security experts said the post of the Fortinet VPN usernames and passwords was aimed at drawing new affiliates to Groove. ” reads the Oct.

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

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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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Hacking Ransomware Accountability Architecture 121

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 113

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

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 145

Security Affairs

MARCH 24, 2025

. “In this scenario, criminals use free online document converter tools to load malware onto victims computers, leading to incidents such as ransomware.” They can also steal personal data, banking details, cryptocurrency info, emails, and passwords by scraping the files the users upload. ” continues the alert.

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Malwarebytes

JANUARY 27, 2025

In May, UnitedHealth CEO Andrew Witty estimated that the ransomware attack compromised the data of a third of US individuals when he testified before the Senate Finance Committee on Capitol Hill. The ALPHV/BlackCat ransomware group claimed the initial attack. Change your password. Enable two-factor authentication (2FA).

Data breaches 124

Data breaches Healthcare Passwords Insurance 124

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. “There will be panic. 428 hospitals.”

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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 83

The Last Watchdog

APRIL 11, 2022

From financial institutions to meat producers, it seems every industry has been impacted by ransomware in the past year — maybe even the past week. Related: Tech solutions alone can’t stop ransomware. Put simply, ransomware attacks are on the rise because of profits. At the macro level, password hygiene is abysmal.

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Ransomware Social Engineering Passwords Engineering 235

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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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

Malwarebytes

MARCH 17, 2025

The FBI warned specifically about that malware leading to ransomware attacks, but we’ve also seen similar sites that install browser hijackers, adware, and potentially unwanted programs (PUPs). Other passwords and session tokens that could allow the scammers to bypass multi-factor authentication (MFA). Email addresses.

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Malware Adware Education Phishing 137

Malwarebytes

NOVEMBER 4, 2024

A ransomware attack against the City of Columbus, Ohio—which drew public scrutiny following the city government’s attempt to silence a researcher who told the public about the attack—has received a little more detail from an unexpected source: The Attorney General for the state of Maine. Change your password.

Data breaches 112

Data breaches Passwords Ransomware Phishing 112

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

Security Affairs

FEBRUARY 4, 2025

.” Compromised data include names, emails, phone numbers, partial card info for some campus diners, and hashed passwords from legacy systems. The company reset affected passwords. The data breach did not expose passwords, merchant logins, full card numbers, bank details, or Social Security numbers.

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Data breaches Passwords Accountability Hacking 113

The Last Watchdog

OCTOBER 10, 2024

Where a traditional threat intelligence or investigations tool may provide a small number of records directly correlated to the search input, IDLink expands the pool of results to include identity data correlated across shared usernames, emails, passwords, and PII – with flexible options around pivoting depth, confidence levels, and visualization.

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Risk Cybercrime Identity Theft Phishing 286

Krebs on Security

NOVEMBER 8, 2021

Department of Justice today announced the arrest of Ukrainian man accused of deploying ransomware on behalf of the REvil ransomware gang, a Russian-speaking cybercriminal collective that has extorted hundreds of millions from victim organizations. The biggest is password re-use by cybercriminals (yes, crooks are lazy, too).

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Ransomware Cybercrime System Administration Passwords 350

Krebs on Security

NOVEMBER 14, 2024

In February, he and Ermakov were arrested on charges of operating a short-lived ransomware affiliate program in 2021 called Sugar (a.k.a. Shefel claims his Sugar ransomware affiliate program was a bust, and never generated any profits. Sugar Locker), which targeted single computers and end-users instead of corporations.

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Retail Advertising Cryptocurrency Marketing 261

Krebs on Security

JUNE 15, 2021

Department of Justice (DOJ) last week announced the arrest of a 55-year-old Latvian woman who’s alleged to have worked as a programmer for Trickbot , a malware-as-a-service platform responsible for infecting millions of computers and seeding many of those systems with ransomware. On June 7, the DOJ announced it had clawed back $2.3

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Cybercrime Ransomware Passwords Banking 356

Krebs on Security

DECEMBER 3, 2021

Rarely do cybercriminal gangs that deploy ransomware gain the initial access to the target themselves. More commonly, that access is purchased from a cybercriminal broker who specializes in acquiring remote access credentials — such as usernames and passwords needed to remotely connect to the target’s network.

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Ransomware Passwords Accountability Cybercrime 349

Krebs on Security

NOVEMBER 21, 2024

The bot allowed the attackers to use the phished username, password and one-time code to log in as that employee at the real employer website. Members of Scattered Spider are reputed to have been involved in a September 2023 ransomware attack against the MGM Resorts hotel chain that quickly brought multiple MGM casinos to a standstill.

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Identity Theft Phishing Cryptocurrency Accountability 256

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

Krebs on Security

OCTOBER 9, 2020

A week ago, KrebsOnSecurity broke the news that someone was attempting to disrupt the Trickbot botnet , a malware crime machine that has infected millions of computers and is often used to spread ransomware. Holden said the Trickbot operators have begun rebuilding their botnet, and continue to engage in deploying ransomware at new targets.

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Ransomware Internet Internet Passwords 360

Troy Hunt

APRIL 26, 2021

This strain of malware dates back as far as 2014 and it became a gateway into infected machines for other strains of malware ranging from banking trojans to credential stealers to ransomware. Change your email account password. Turn on 2 factor authentication wherever available. Keep operating systems and software patched.

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Malware Passwords Banking Password Management 357

The Last Watchdog

NOVEMBER 19, 2023

That’s largely because the splashy headlines and online buzz created by bringing down the pair of casinos will only motivate more mid-level cybercriminals to follow Scattered Spiders’ model, putting wide-reaching businesses at risk of ransomware attacks due to the rise of ransomware-as-a-service models.

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Social Engineering Passwords Authentication Marketing 310

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.

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Malware Ransomware Passwords Healthcare 108

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 360

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. LockBit went in first and exfiltrated data and passwords, and then used PsExe to distribute their ransomware payload.

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Malwarebytes

OCTOBER 25, 2024

The attack on Change Healthcare, which processes about 50% of US medical claims, was one of the worst ransomware attacks against American healthcare and caused widespread disruption in payments to doctors and health facilities. Change your password. You can make a stolen password useless to thieves by changing it.

Healthcare 116

Healthcare Data breaches Passwords Identity Theft 116

Security Affairs

AUGUST 23, 2024

Sophos researchers investigated a Qilin ransomware breach attack that led to the theft of credentials stored in Google Chrome browsers. Sophos researchers investigated a Qilin ransomware attack where operators stole credentials stored in Google Chrome browsers of a limited number of compromised endpoints. ” concludes the report.

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