Schneier on Security

JULY 22, 2021

If exploited, cyberattackers could bypass security products; install programs; view, change, encrypt or delete data; or create new accounts with more extensive user rights. The bug (CVE-2021-3438) has lurked in systems for 16 years, researchers at SentinelOne said, but was only uncovered this year. It carries an 8.8

Encryption 358

Encryption Accountability 358

SecureWorld News

FEBRUARY 20, 2025

Ghost ransomware actors, identified as operating from China, have been targeting unpatched systems and stolen credentials to infiltrate networks, encrypt data, and demand ransom payments. Prioritize fixing vulnerabilities exploited by Ghost, such as ProxyShell (CVE-2021-34473, CVE-2021-34523, CVE-2021-31207).

Ransomware 113

Ransomware IoT Encryption Social Engineering 113

Thales Cloud Protection & Licensing

NOVEMBER 2, 2021

Quantum Resistant Encryption – Are You Ready? Tue, 11/02/2021 - 09:10. . When functional quantum computing becomes available it is anticipated to make many current asymmetric encryption ciphers (RSA, Diffie-Hellman, ECC etc.) Learn more about Thales solutions for quantum resistant encryption. Encryption.

Encryption 156

Encryption Risk CISO Cybersecurity 156

SecureList

APRIL 18, 2022

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. Geography of the Yanluowang attacks, December 4th, 2021 – April 8th, 2022 ( download ). The encryption code for big files. Yanluowang description.

Encryption 145

Encryption Ransomware Backups VPN 145

SecureList

APRIL 18, 2022

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. Geography of the Yanluowang attacks, December 4th, 2021 – April 8th, 2022 ( download ). The encryption code for big files. Yanluowang description.

Encryption 145

Encryption Ransomware Backups VPN 145

eSecurity Planet

SEPTEMBER 22, 2022

To accelerate the ransomware encryption process and make it harder to detect, cybercriminal groups have begun using a new technique: intermittent encryption. Intermittent encryption allows the ransomware encryption malware to encrypt files partially or only encrypt parts of the files. Others are automated.

Encryption 135

Encryption Ransomware Backups Advertising 135

Security Affairs

JULY 6, 2022

Hive ransomware operators have improved their file-encrypting module by migrating to Rust language and adopting a more sophisticated encryption method. According to a report published by blockchain analytics company Chainalysis, the Hive ransomware is one of the top 10 ransomware strains by revenue in 2021. key files.

Encryption 139

Encryption Ransomware Cybercrime Malware 139

CSO Magazine

SEPTEMBER 9, 2022

Attackers were able to successfully encrypt files in more than half of the attacks. Of 422 retail IT professionals surveyed internationally, 77% said their organizations were hit by ransomware attacks in 2021. This is a 75% rise from 2020, the Sophos report noted. To read this article in full, please click here

Retail 130

Retail Ransomware Encryption Cybersecurity 130

Schneier on Security

APRIL 2, 2024

Anyone in possession of a predetermined encryption key could stash any code of their choice in an SSH login certificate, upload it, and execute it on the backdoored device. In theory, the code could allow for just about anything, including stealing encryption keys or installing malware. It was an incredibly complex backdoor.

Social Engineering 353

Social Engineering Engineering Software Encryption 353

The Last Watchdog

DECEMBER 2, 2021

As we’ve seen with major attacks like Kaseya and Colonial Pipeline, cybercriminals have continued to innovate, developing new tools and tactics to encrypt and exfiltrate data. Ransomware attacks have reached a record high this year, with nearly 250 attacks recorded to date and months to go. Related: Kaseya breach worsens supply chain worries.

Ransomware 262

Ransomware Technology Cybersecurity Backups 262

Joseph Steinberg

OCTOBER 21, 2022

Today, October 21, marks the first ever organized Global Encryption Day, dedicated to spreading awareness of the importance of utilizing encryption to protect sensitive information, both when it is in transit (e.g., online chat messages going over the Internet between you and your significant other) and when it is at rest (e.g.,

Encryption 130

Encryption Government Artificial Intelligence Surveillance 130

Troy Hunt

NOVEMBER 13, 2024

One last comment: there was a story published earlier this year titled Our Investigation of the Pure Incubation Ventures Leak and in there they refer to "encrypted passwords" being present in the data.

Data breaches 323

Data breaches Passwords B2B Technology 323

SecureList

APRIL 17, 2025

We discovered it back in 2021, when we were investigating the CVE-2021-40449 zero-day vulnerability. This file is encrypted with a single-byte XOR and is loaded at runtime. Just as the version of MysterySnail RAT we described in 2021, the latest version of this implant uses attacker-created HTTP servers for communication.

Malware 92

Malware Encryption Architecture Engineering 92

SecureWorld News

NOVEMBER 7, 2024

In 2021, for example, hackers attempted to manipulate the chemical levels in a Florida water treatment plant by breaching remote access 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 111

IoT Firmware Encryption Authentication 111

Security Affairs

JUNE 20, 2024

A China-linked cyber espionage group has compromised telecom operators in an Asian country since at least 2021. The Symantec Threat Hunter Team reported that an alleged China-linked APT group has infiltrated several telecom operators in a single, unnamed, Asian country at least since 2021.

DNS 136

DNS Malware Media Encryption 136

Security Affairs

APRIL 13, 2025

RansomHouse is a data extortion group that has been active since Dec 2021. Unlike other extortion group, the gang doesnt encrypt data, but focuses on data theft to speed up its activity. Cell C has also shared fraud prevention resources, including guidance on registering with SAFPS for extra protection. Victims include AMD and Keralty.

Data breaches 129

Data breaches Unstructured Data Identity Theft Healthcare 129

Tech Republic Security

SEPTEMBER 16, 2021

The free decryption tool will help victims restore their encrypted files from attacks made before July 13, 2021, says Bitdefender.

Ransomware 190

Ransomware Encryption 190

Security Affairs

MARCH 10, 2025

@chicagotribune @ABC7Chicago pic.twitter.com/bwRCHqCS9o — Dominic Alvieri (@AlvieriD) March 10, 2025 RansomHouse is a data extortion group that has been active since Dec 2021. Unlike other extortion group, the gang doesnt encrypt data, but focuses on data theft to speed up its activity. Victims include AMD and Keralty.

Hacking 117

Hacking Healthcare Backups Ransomware 117

Bleeping Computer

JUNE 1, 2022

The duration of ransomware attacks in 2021 averaged 92.5 hours, measured from initial network access to payload deployment. In 2020, ransomware actors spent an average of 230 hours to complete their attacks and 1637.6 hours in 2019. [.].

Ransomware 143

Ransomware Encryption 143

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 139

Passwords Authentication Architecture Risk 139

eSecurity Planet

MARCH 24, 2025

The compromised database contains approximately 6 million lines of data, including critical assets such as JKS files, encrypted SSO passwords, key files, and enterprise manager JPS keys. (region-name).oraclecloud.com), oraclecloud.com), where sensitive single sign-on (SSO) and LDAP credentials were stored.

Risk 119

Risk Passwords Hacking Encryption 119

Schneier on Security

JANUARY 13, 2022

Remember when the US and Australian police surreptitiously owned and operated the encrypted cell phone app ANOM? They arrested 800 people in 2021 based on that operation. New documents received by Motherboard show that over 100 of those phones were shipped to users in the US, far more than previously believed.

Surveillance 356

Surveillance Encryption Government 356

Krebs on Security

JUNE 7, 2021

In the process of doing so, I encountered a small snag: The FSB’s website said in order to communicate with them securely, I needed to download and install an encryption and virtual private networking (VPN) appliance that is flagged by at least 20 antivirus products as malware. Federal Bureau of Investigation (FBI). Image: Wikipedia.

Antivirus 327

Antivirus VPN Encryption Malware 327

SecureWorld News

JANUARY 16, 2025

These plans should include: Regular backups of critical data Disaster recovery exercises to test response readiness Colonial Pipeline attack (2021) One of the most significant incidents highlighting vulnerabilities in the oil and gas sector was the Colonial Pipeline ransomware attack in May 2021.

Energy and Utilities 109

Energy and Utilities IoT Artificial Intelligence Backups 109

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

Tech Republic Security

JULY 7, 2022

Since May of 2021, state-sponsored attackers have been deploying Maui ransomware in an attempt to encrypt sensitive records and disrupt services for vulnerable healthcare organizations. The post North Korean-sponsored ransomware attacks target US healthcare companies appeared first on TechRepublic.

Healthcare 171

Healthcare Ransomware Encryption 171

Krebs on Security

FEBRUARY 14, 2022

Later that same day, the @fuck_maze account posted a link to a Pastebin-like site that included working exploit code for a recently patched security hole in SonicWall VPN appliances ( CVE-2021-20028 ). On May 11, 2021, Babuk declared negotiations with the MPD had reached an impasse, and leaked 250 gigabytes worth of MPD data.

Ransomware 242

Ransomware VPN Cybercrime Accountability 242

Troy Hunt

MARCH 18, 2024

What it boils down to is in August 2021, someone with a proven history of breaching large organisations posted what they claimed were 70 million AT&T records to a popular hacking forum and asked for a very large amount of money should anyone wish to purchase the data.

Data breaches 362

Data breaches Encryption Identity Theft InfoSec 362

Anton on Security

MARCH 3, 2022

“A SOC Tried To Detect Threats in the Cloud … You Won’t Believe What Happened Next” Top 5 Cloud Security Podcast by Google episodes: Episode 1“Confidentially Speaking” Episode 2 “Data Security in the Cloud” Episode 8 “Zero Trust: Fast Forward from 2010 to 2021” Episode 27 “The Mysteries of Detection Engineering: Revealed!”

Threat Detection 189

Threat Detection Cloud Migration Encryption Engineering 189

SecureList

APRIL 7, 2025

sys driver, which contains the CVE-2021-36276 vulnerability. Our analysis of the tool code found that the data in the payload file is encrypted using AES-128. Snippet of code for determining the encryption algorithm The decryption key is in the first 32 bytes of the payload file, followed by the encrypted data block.

Software 105

Software Encryption Malware Firmware 105

SecureWorld News

FEBRUARY 20, 2025

Large enterprises should put testing quantum-resistant encryption on their roadmaps. As quantum computers grow, current encryption methods like RSA and ECC may soon become vulnerable," said Kip Boyle , vCISO, Cyber Risk Opportunities LLC. Microsoft's 2021 Majorana paper).

Encryption 87

Encryption Energy and Utilities Government Architecture 87

Krebs on Security

OCTOBER 2, 2023

j/5551112222 Zoom has an option to include an encrypted passcode within a meeting invite link, which simplifies the process for attendees by eliminating the need to manually enter the passcode. And to illustrate the persistence of some of these Zoom links, Archive.org says several of the links were first created as far back as 2020 and 2021.

Engineering 306

Engineering Encryption Social Engineering Healthcare 306

Krebs on Security

OCTOBER 31, 2021

. “Of the nineteen software suppliers with whom we engaged, seven used an outsourced platform for receiving vulnerability disclosures, six had dedicated web portals for vulnerability disclosures, four accepted disclosures via PGP-encrypted email, and two accepted disclosures only via non-PGP email.

Software 364

Software Information Security Encryption Government 364

The Last Watchdog

APRIL 21, 2021

From January through March 2021, TLS concealed 45 percent of the malware Sophos analysts observed circulating on the Internet; that’s double the rate – 23 percent – seen in early 2020, Dan Schiappa, Sophos’ chief product officer, told me in a briefing. How TLS works is that there is an encryption point and a decryption point.

Malware 214

Malware Firewall Encryption Digital transformation 214

The Hacker News

JUNE 26, 2024

Threat actors with suspected ties to China and North Korea have been linked to ransomware and data encryption attacks targeting government and critical infrastructure sectors across the world between 2021 and 2023.

Ransomware 136

Ransomware Encryption Government 136

Krebs on Security

MARCH 4, 2021

At the top of a 35-page PDF leaked online is a private encryption key allegedly used by Maza administrators. 27, 2021, a monitoring system detected unauthorized secure shell access to the server and an attempt to dump network traffic. The database also includes ICQ numbers for many users. The administrator stated that on Feb.

Cybercrime 364

Cybercrime Hacking Passwords Accountability 364

Security Affairs

NOVEMBER 19, 2024

Ptitsyn reportedly sold the ransomware on darknet forums under aliases like “derxan” and “zimmermanx,” enabling other criminals to encrypt data and demand ransom. Affiliates paid fees to administrators like Ptitsyn for decryption keys, with payments routed via unique cryptocurrency wallets from 2021–2024.

Cybercrime 116

Cybercrime Ransomware Healthcare Education 116