Krebs on Security

OCTOBER 30, 2024

Change Healthcare says it has notified approximately 100 million Americans that their personal, financial and healthcare records may have been stolen in a February 2024 ransomware attack that caused the largest ever known data breach of protected health information. Image: Tamer Tuncay, Shutterstock.com. Last month, Sens. Mark Warner (D-Va.)

Healthcare 297

Healthcare Insurance Computers and Electronics Data breaches 297

Krebs on Security

NOVEMBER 17, 2022

Peter is an IT manager for a technology manufacturer that got hit with a Russian ransomware strain called “ Zeppelin ” in May 2020. There are multiple examples of ransomware groups doing just that after security researchers crowed about finding vulnerabilities in their ransomware code. This is not an idle concern.

Ransomware 355

Ransomware Encryption Backups Manufacturing 355

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.

Encryption 117

Encryption Ransomware Authentication Accountability 117

Security Affairs

JANUARY 27, 2025

Threat actors behind ESXi ransomware attacks target virtualized environments using SSH tunneling to avoid detection. Researchers at cybersecurity firm Sygnia warn that threat actors behind ESXi ransomware attacks target virtualized environments using SSH tunneling to avoid detection.

Ransomware 98

Ransomware Authentication Hacking Cybersecurity 98

Krebs on Security

DECEMBER 13, 2021

The consulting firm PricewaterhouseCoopers recently published lessons learned from the disruptive and costly ransomware attack in May 2021 on Ireland’s public health system. The unusually candid post-mortem found that nearly two months elapsed between the initial intrusion and the launching of the ransomware.

Healthcare 328

Healthcare Ransomware Antivirus Hacking 328

eSecurity Planet

MARCH 17, 2025

The Cybersecurity and Infrastructure Security Agency (CISA), in collaboration with the Federal Bureau of Investigation (FBI) and the Multi-State Information Sharing and Analysis Center (MS-ISAC), has released a joint cybersecurity advisory warning organizations about the escalating threat posed by the Medusa ransomware.

Ransomware 75

Ransomware Backups Firmware Insurance 75

Security Affairs

OCTOBER 19, 2024

This week, Sophos researchers warned that ransomware operators are exploiting the critical vulnerability CVE-2024-40711 in Veeam Backup & Replication to create rogue accounts and deploy malware. Attackers accessed targets via VPN gateways lacking multifactor authentication, some of which ran outdated software. concludes Sophos.

Backups 130

Backups VPN Ransomware Authentication 130

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. Enable two-factor authentication (2FA).

Ransomware 91

Ransomware Data breaches Passwords Phishing 91

The Last Watchdog

DECEMBER 6, 2022

Much more effective authentication is needed to help protect our digital environment – and make user sessions smoother and much more secure. Underscoring this trend, Uber was recently hacked — through its authentication system. The best possible answer is coming from biometrics-based passwordless, continuous authentication.

Authentication 203

Authentication Healthcare Artificial Intelligence Passwords 203

Security Affairs

MARCH 18, 2025

The vulnerability is an authentication bypass issue that could allow a remote attacker to gain super-admin privileges by making maliciously crafted CSF proxy requests. An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS 7.0.0 through 7.0.16 and FortiProxy 7.2.0 through 7.2.12, 7.0.0

Authentication 115

Authentication Ransomware Firewall Hacking 115

Security Affairs

APRIL 1, 2025

Threat actors are exploiting a critical authentication bypass vulnerability, tracked as CVE-2025-2825 , in the CrushFTP file transfer software. that may allow unauthenticated remote attackers to bypass authentication via HTTP(S) requests. Attackers are using exploits based on publicly available proof-of-concept exploit code.

Authentication 117

Authentication Software Ransomware Hacking 117

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.

Firewall 74

Firewall Ransomware VPN Firmware 74

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

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 69

Ransomware Encryption Cryptocurrency Insurance 69

Security Affairs

DECEMBER 6, 2024

Remote attackers could bypass authentication and execute arbitrary commands by exploiting a flaw in secMiddleware , which only validates POST requests. The attack aimed at deploying the PSAUX ransomware attack. Cybersecurity and Infrastructure Security Agency (CISA)added the CyberPanelflaw CVE-2024-51378 (CVSS score: 10.0)

DNS 109

DNS Authentication Ransomware Hacking 109

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. Enable two-factor authentication (2FA).

Data breaches 122

Data breaches Healthcare Passwords Insurance 122

The Last Watchdog

MAY 5, 2022

Ransomware? Well, the stats are even scarier with over 50% increase in ransomware attacks in 2021, compared to 2020. The media paid close attention to ransomware attacks last year, as they had a significant impact on Colonial Pipeline, the nation’s largest fuel distributor, and JBS, the nation’s largest meat distributor.

Ransomware 247

Ransomware Risk Internet Internet 247

Digital Shadows

MARCH 17, 2025

This bypasses security barriers entirely, giving adversaries a direct path to infiltrate networks, steal data, and deploy ransomware undetected. Notably, 64% of VPN vulnerabilities are directly linked to ransomware campaigns, demonstrating how cybercriminals quickly monetize stolen credentials for profit.

VPN 133

VPN Authentication Ransomware Risk 133

eSecurity Planet

FEBRUARY 24, 2025

Over 200,000 internal messages from the notorious ransomware group Black Basta have surfaced online exposing deep divisions, ransom negotiations, and internal dysfunction. Cybersecurity experts are now poring over the data, uncovering a rare inside look at how one of the most feared ransomware groups operates and potentially unravels.

Ransomware 68

Ransomware Phishing Healthcare Cryptocurrency 68

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. Why the stark increase? Low cost attacks.

Ransomware 235

Ransomware Social Engineering Passwords Engineering 235

Krebs on Security

NOVEMBER 21, 2024

The targeted SMS scams asked employees to click a link and log in at a website that mimicked their employer’s Okta authentication page. 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.

Identity Theft 254

Identity Theft Phishing Cryptocurrency Accountability 254

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.

Malware 137

Malware Adware Education Phishing 137

The Last Watchdog

NOVEMBER 19, 2023

As the companies face nine federal lawsuits for failing to protect customer data, it’s abundantly clear hackers have checkmated multi-factor authentication (MFA). But the coup de gras was how easily they brushed aside the multi-factor authentication protections. How they steamrolled multi-factor authentication is a reason for pause.

Social Engineering 310

Social Engineering Passwords Authentication Marketing 310

The Last Watchdog

SEPTEMBER 24, 2024

The growing threat of cybercrime, including ransomware attacks and large-scale data leaks, is also pushing individuals to take more control of their personal data. Credit monitoring services provide ongoing tracking of credit reports for suspicious activity, and some even offer insurance for identity theft-related losses.

Authentication 216

Authentication Identity Theft Banking Data breaches 216

SecureWorld News

APRIL 3, 2025

Then came the inevitable: a ransomware attack that encrypted patient records, forced appointment cancellations for three weeks, and ultimately cost more than $12 million in recovery costs, regulatory fines, and lost revenue. Sarah, a newly appointed CISO at a manufacturing company, inherited a failed multi-factor authentication project.

Ransomware 71

Ransomware CISO Authentication Healthcare 71

Thales Cloud Protection & Licensing

FEBRUARY 12, 2025

The Rise of Non-Ransomware Attacks on AWS S3 Data madhav Thu, 02/13/2025 - 04:39 A sophisticated ransomware gang, Codefinger, has a cunning new technique for encrypting data stored in AWS S3 buckets without traditional ransomware tools. Unlike conventional ransomware, the malicious actors dont exfiltrate any data.

Ransomware 77

Ransomware Encryption Digital transformation Risk 77

Krebs on Security

JULY 8, 2021

Last week cybercriminals deployed ransomware to 1,500 organizations that provide IT security and technical support to many other companies. “This is worse because the CVE calls for an authenticated user,” Holden said. “This was not.”

Software 331

Software Ransomware System Administration Authentication 331

The Last Watchdog

JULY 11, 2024

Related: Passwordless workpace long way off However, as users engage with more applications across multiple devices, the digital security landscape is shifting from passwords and password managers towards including passwordless authentication, such as multi-factor authentication (MFA), biometrics, and, as of late, passkeys.

Authentication 124

Authentication Passwords Malware Accountability 124

Security Affairs

JANUARY 13, 2024

The Finish National Cybersecurity Center (NCSC-FI) warns of increased Akira ransomware attacks targeting NAS and tape backup devices of organizations in the country. The Finish National Cybersecurity Center (NCSC-FI) reported an increase in Akira ransomware attacks, targeting organizations in the country.

Ransomware 135

Ransomware Backups VPN Authentication 135

The Hacker News

JULY 29, 2024

A recently patched security flaw impacting VMware ESXi hypervisors has been actively exploited by "several" ransomware groups to gain elevated permissions and deploy file-encrypting malware.

Ransomware 142

Ransomware Encryption Authentication Malware 142

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. Enable two-factor authentication (2FA).

Data breaches 108

Data breaches Passwords Ransomware Phishing 108

SecureWorld News

NOVEMBER 6, 2024

Google moved away from VPNs, instead using device-based authentication and continuous access verification, ensuring that each access request is authenticated. Ransomware-as-a-Service (RaaS): The Kaseya ransomware attack in 2021 compromised more than 1,000 businesses. Take Google's BeyondCorp as an example.

Social Engineering 103

Social Engineering Authentication Architecture Ransomware 103

Bleeping Computer

JULY 29, 2024

Microsoft warned today that ransomware gangs are actively exploiting a VMware ESXi authentication bypass vulnerability in attacks. [.]

Ransomware 129

Ransomware Authentication 129

SecureWorld News

FEBRUARY 3, 2025

Unlike ransomware attacks, which force organizations to disclose security breaches due to operational disruptions, BEC scams often go unreported as companies quietly absorb financial losses. Organizations should enforce least privilege access and enable multi-factor authentication (MFA) on all accounts that have it available.

Phishing 111

Phishing Cybercrime Scams Authentication 111

Security Affairs

MAY 13, 2024

Experts reported that since April, the Phorpiex botnet sent millions of phishing emails to spread LockBit Black ransomware. The ZIP archives contain a compressed executable payload that, if executed, will start the encryption process with LockBit Black ransomware. Reference the provided resources for establishing DMARC authentication.

Phishing 132

Phishing Ransomware Security Awareness Authentication 132

SecureWorld News

NOVEMBER 22, 2024

Scattered Spider has gained infamy for its high-profile cyberattacks, including the ransomware assault on MGM Casino in 2023 , which caused widespread disruption. Known for targeting employee credentials through phishing schemes, the group uses stolen access to infiltrate systems, extract sensitive data, and deploy ransomware.

Phishing 107

Phishing Identity Theft Cryptocurrency Cybercrime 107

Security Affairs

OCTOBER 11, 2024

Sophos reports ransomware operators are exploiting a critical code execution flaw in Veeam Backup & Replication. Sophos researchers warn that ransomware operators are exploiting the critical vulnerability CVE-2024-40711 in Veeam Backup & Replication to create rogue accounts and deploy malware. ” concludes Sophos.

Backups 130

Backups Ransomware VPN Authentication 130