Tech Republic Security

SEPTEMBER 21, 2023

The attestation service is designed to allow data in confidential computing environments to interact with AI safely, as well as provide policy enforcements and audits.

Encryption 183

Encryption Artificial Intelligence Big data Software 183

The Hacker News

NOVEMBER 14, 2023

A group of academics has disclosed a new "software fault attack" on AMD's Secure Encrypted Virtualization (SEV) technology that could be potentially exploited by threat actors to infiltrate encrypted virtual machines (VMs) and even perform privilege escalation.

Encryption 140

Encryption Technology Information Security Software 140

Security Affairs

MAY 22, 2024

The digital imaging products manufacturer OmniVision disclosed a data breach after the 2023 ransomware attack. In 2023, OmniVision employed 2,200 people and had an annual revenue of $1.4 In 2023, the imaging sensors manufacturer was the victim of a Cactus ransomware attack. OmniVision Technologies Inc.

Data breaches 133

Data breaches Ransomware Manufacturing Encryption 133

Penetration Testing

JANUARY 2, 2025

A revelation emerged from the Chaos Communication Congress (CCC) last week, shaking the foundations of Windows’ trusted BitLocker The post Patched But Still Vulnerable: Windows BitLocker Encryption Bypassed Again appeared first on Cybersecurity News.

Encryption 145

Encryption Cybersecurity 145

Malwarebytes

JANUARY 6, 2025

This ransomware is known for employing double extortion tactics, which means they encrypt victims’ data while also threatening to release sensitive information unless a ransom is paid. The company provided no HIPAA training for employees prior to November 2023. This investigation revealed extensive HIPAA violations.

Data breaches 144

Data breaches Ransomware Passwords Insurance 144

Anton on Security

MAY 15, 2023

2020 Anton’s Security Blog Quarterly Q2 2023 was originally published in Anton on Security on Medium, where people are continuing the conversation by highlighting and responding to this story. Is Your Fate In the Cloud?”

Threat Detection 147

Threat Detection Cloud Migration Encryption CISO 147

Penetration Testing

FEBRUARY 24, 2025

Security researchers at The DFIR Report have uncovered a highly coordinated attack that leveraged a critical remote code The post From Confluence Vulnerability (CVE-2023-22527) to LockBit Encryption: A Rapid Attack Chain appeared first on Cybersecurity News.

Encryption 81

Encryption Cybersecurity 81

Security Affairs

FEBRUARY 11, 2025

“They allegedly used the Phobos malware to encrypt information on the networks, blocking the companies from accessing the data unless a ransom was paid and a decryption key was provided by the gang. Source Nation Thailand The gang compromised at least 17 Swiss companies using the Phobos ransomware between April 2023 and October 2024.

Ransomware 70

Ransomware Encryption Backups Malware 70

Malwarebytes

JANUARY 2, 2024

The decryptor works for victims whose files were encrypted between November 2022 and December 2023. The decryptor, called Black Basta Buster, exploits a flaw in the encryption algorithm used in older versions of the Black Basta group’s ransomware. Stop malicious encryption.

Encryption 122

Encryption Ransomware Backups Malware 122

Security Affairs

SEPTEMBER 28, 2023

Cisco released security updates for an actively exploited zero-day flaw (CVE-2023-20109) that resides in the GET VPN feature of IOS and IOS XE software. Cisco warned customers to install security updates to address an actively exploited zero-day vulnerability, tracked as CVE-2023-20109 (CVS 6.6), that resides in IOS and IOS XE software.

VPN 133

VPN Software Encryption Authentication 133

The Last Watchdog

DECEMBER 13, 2023

Notable progress was made in 2023 in the quest to elevate Digital Trust. We met at DigiCert Trust Summit 2023. Each time we use a mobile app or website-hosted service, digital certificates and the Public Key Infrastructure ( PKI ) come into play — to assure authentication and encrypt sensitive data transfers.

Encryption 311

Encryption Technology CISO IoT 311

The Last Watchdog

OCTOBER 23, 2024

INE Security advises businesses to secure their network by using firewalls, encrypting data, and regularly updating security software. The cost of ignoring such measures can be substantial, as noted in IBM’s 2023 Cost of a Data Breach Report, which found the average impact of a data breach on small businesses can exceed $3.31

Small Business 162

Small Business Data breaches Backups Passwords 162

Malwarebytes

OCTOBER 11, 2023

In other news, both LockBit and the Akira ransomware gang, the latter of which has tallied 125 victims since we first began tracking them in April 2023, were confirmed last month to be exploiting a specific zero-day flaw ( CVE-2023-20269 ) in Cisco VPN appliances. Stop malicious encryption.

Ransomware 136

Ransomware Social Engineering Backups Engineering 136

Security Affairs

NOVEMBER 13, 2024

In May 2023, Microsoft reported that the Volt Typhoon APT infiltrated critical infrastructure organizations in the U.S. In December 2023, the Black Lotus Labs team at Lumen Technologies linked a small office/home office (SOHO) router botnet, tracked as KV-Botnet to the operations of China-linked threat actor Volt Typhoon.

VPN 121

VPN Government Malware Manufacturing 121

Security Affairs

NOVEMBER 2, 2023

Rapid7 researchers warn of the suspected exploitation of a recently disclosed critical security flaw (CVE-2023-46604) in the Apache ActiveMQ. Cybersecurity researchers at Rapid7 are warning of the suspected exploitation of the recently disclosed critical vulnerability CVE-2023-46604 in the Apache ActiveMQ. before 5.18.3 before 5.17.6

Ransomware 131

Ransomware Cybercrime Software Encryption 131

SecureWorld News

OCTOBER 31, 2024

Spooky fact : According to research from Proofpoint , in 2023, 71% of organizations experienced at least one successful phishing attack, and they remain one of the most prevalent forms of cyber threats. million, almost an increase of $1 million from 2023 , proving that these "vampires" are more active—and greedier—than ever.

IoT 117

IoT Phishing DDOS Backups 117

Krebs on Security

JUNE 15, 2024

— and charged him with stealing at least $800,000 from five victims between August 2022 and March 2023. Among those was the encrypted messaging app Signal , which said the breach could have let attackers re-register the phone number on another device for about 1,900 users. In January 2024, U.S.

Hacking 333

Hacking Cybercrime Phishing Passwords 333

Security Affairs

MARCH 12, 2025

Cato CTRL researchers observed a new botnet, called Ballista botnet, which is exploiting a remote code execution (RCE) vulnerability, tracked as CVE-2023-1389 (CVSS score 8.8), in TP-Link Archer routers. Since early 2025, Cato CTRL has tracked the Ballista botnet targeting TP-Link Archer routers via CVE-2023-1389.

IoT 72

IoT Malware Encryption DDOS 72

SecureList

MARCH 12, 2024

Profile of participants and applications We collected the data from a sample of the application security assessment projects our team completed in 2021–2023. SQL Injection Most high-risk vulnerabilities in 2021–2023 were associated with SQL Injection. More than a third (39%) used the microservice architecture.

Passwords 140

Passwords Authentication Architecture Risk 140

Schneier on Security

AUGUST 8, 2022

The idea is to standardize on both a public-key encryption and digital signature algorithm that is resistant to quantum computing, well before anyone builds a useful quantum computer. NIST was poised to make final algorithm selections in 2022, with a plan to have a draft standard available for public comment in 2023.

Encryption 357

Encryption Architecture Engineering Information Security 357

Security Affairs

MARCH 7, 2025

Medusa ransomware has claimed nearly 400 victims since January 2023, with attacks increasing by 42% between 2023 and 2024. The Symantec Threat Hunter Team reported that the Medusa ransomware operators have claimed nearly 400 victims since January 2023. Experts tracked the Medusa ransomware activity as Spearwing.

Ransomware 62

Ransomware Antivirus Healthcare Encryption 62

Malwarebytes

FEBRUARY 6, 2024

Big game attacks extort vast ransoms from organizations by holding their data hostage—either with encryption, the threat of damaging data leaks, or both. The report reveals that, awash with money, the number of known Big Game attacks surged by 68% in 2023, thanks to Ransomware-as-a-Service groups like LockBit and ALPHV.

Ransomware 125

Ransomware Cybercrime Malware Social Engineering 125

Security Affairs

MARCH 24, 2025

The Cloak ransowmare group has been active since at least 2023 and breached more than one hundred organizations across the years. ” The group uses an ARCrypter ransomware variant, derived from Babuks leaked code , to encrypt files after infiltrating a network. . ” reads a report published by Halcyon.

Ransomware 101

Ransomware Hacking Social Engineering VPN 101

Schneier on Security

MARCH 31, 2024

I know I was at the Fast Software Encryption workshop in December 1993, another conference he created. There I presented the Blowfish encryption algorithm. Most recently was last June, at SHB 2023 , in Pittsburgh. Pulling an old first-edition of Applied Cryptography down from the shelf, I see his name in the acknowledgments.

Surveillance 343

Surveillance Engineering Encryption Government 343

SecureList

SEPTEMBER 21, 2023

We conducted an analysis of the IoT threat landscape for 2023, as well as the products and services offered on the dark web related to hacking connected devices. Brute-force attacks on services that use SSH, a more advanced protocol that encrypts traffic, can yield similar outcomes. BTC to recover the data.

IoT 133

IoT DDOS Passwords Malware 133

Security Affairs

JANUARY 24, 2025

Earliest evidence dates to September 2023, but the experts have yet to determine the initial access method. The reverse shell issued a challenge by sending an encrypted string using a hard-coded certificate. When a magic packet was detected, the agent spawned a reverse shell to the IP address and port specified by the packet.

Malware 120

Malware VPN Encryption Hacking 120

Security Affairs

MARCH 17, 2025

The tool doesn’t work like traditional decryptors but instead brute-forces encryption keys using timestamp-based methods. The company was infected with a variant that has been active from late 2023 to the present. Nugroho’s decryptor brute-forces encryption keys by exploiting Akira ransomwares use of timestamp-based seeds.

Ransomware 67

Ransomware Encryption Malware Hacking 67

Joseph Steinberg

JANUARY 4, 2023

Because the attacker may be listening to the data moving across the network, all traffic must be encrypted. To learn more about Zero Trust, and why you should explore it in 2023, please watch the fireside chat with cybersecurity experts Magda Chelly and Joseph Steinberg, viewable here: Why Make Zero Trust a New Year’s Resolution .

Architecture 361

Architecture Artificial Intelligence Encryption Cybersecurity 361

Krebs on Security

SEPTEMBER 5, 2023

In November 2022, the password manager service LastPass disclosed a breach in which hackers stole password vaults containing both encrypted and plaintext data for more than 25 million users. LastPass disclosed that criminal hackers had compromised encrypted copies of some password vaults, as well as other personal information.

Cryptocurrency 361

Cryptocurrency Passwords Encryption Accountability 361

Krebs on Security

JUNE 8, 2023

On May 19, Barracuda identified that the malicious traffic was taking advantage of a previously unknown vulnerability in its ESG appliances, and on May 20 the company pushed a patch for the flaw to all affected appliances ( CVE-2023-2868 ). Because a ransomware actor doesn’t care about that level of access. They don’t need it.

Firmware 341

Firmware Malware Software Ransomware 341

Security Boulevard

DECEMBER 19, 2023

But in cybersecurity, dwell time is the time between bad actors’ initial break in and the attack itself, when target data is encrypted. Even bad actors abide by ROI Ransomware began purely from an encryption perspective. First, the modus operandi was to encrypt and hold data for ransom. Ready to step up your defensive game?

Cybersecurity 126

Cybersecurity Encryption Ransomware Backups 126

Security Affairs

DECEMBER 26, 2024

The experts pointed out that this Mirai variant has been modified to use improved encryption algorithms. The new Mirai malware variant also targetsthe TP-Link flaw CVE-2023-1389 and the vulnerability CVE-2018-17532 affecting Teltonika RUT9XX routers. TheMiraivariant incorporates ChaCha20 and XOR decryption algorithms.

Manufacturing 88

Manufacturing Malware Firmware IoT 88

SecureWorld News

NOVEMBER 14, 2024

Compared to 2023, healthcare providers are facing a higher frequency of ransomware incidents, impacting their ability to deliver essential services and protect sensitive patient data. As of the first three quarters of 2024, there were already 264 ransomware incidents affecting healthcare providers—nearly matching all of 2023's figures.

Healthcare 116

Healthcare Ransomware Identity Theft Data breaches 116

Krebs on Security

AUGUST 5, 2024

But the Dark Angels didn’t even have a victim shaming site until April 2023. Some of the more notable victims listed on Dunghill Leak include the global food distribution firm Sysco , which disclosed a ransomware attack in May 2023 ; and the travel booking giant Sabre , which was hit by the Dark Angels in September 2023.

Ransomware 264

Ransomware Insurance Healthcare Education 264

SecureList

FEBRUARY 5, 2025

In March 2023, researchers at ESET discovered malware implants embedded into various messaging app mods. It encrypts data with AES-256 in CBC mode before sending and decrypts server responses with AES-128 in CBC mode. With this key, it encrypts the data, pre-compressed with ZSTD. In both cases, the keys are hard-coded constants.

Malware 138

Malware Encryption Mobile Cryptocurrency 138

Thales Cloud Protection & Licensing

OCTOBER 24, 2024

The regulations were most recently updated on November 1, 2023, with phased effective dates starting on December 1, 2023. Encrypt "non-public" data both at rest and in motion or use effective alternative compensating controls for information at rest if approved by the CISO in writing.

Financial Services 62

Financial Services Cybersecurity CISO Backups 62

Security Affairs

APRIL 17, 2024

Threat actors are exploiting the CVE-2023-22518 flaw in Atlassian servers to deploy a Linux variant of Cerber (aka C3RB3R) ransomware. At the end of October 2023, Atlassian warned of a critical security flaw, tracked as CVE-2023-22518 (CVSS score 9.1), that affects all versions of Confluence Data Center and Server.

Ransomware 144

Ransomware Encryption Malware Accountability 144