Schneier on Security

NOVEMBER 21, 2022

“If we can recover the RSA-512 Public Key from the registry, we can crack it and get the 256-bit AES Key that encrypts the files! . “If we can recover the RSA-512 Public Key from the registry, we can crack it and get the 256-bit AES Key that encrypts the files!” ” they wrote. Technical details.

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Encryption Ransomware IT Cybersecurity 91

Security Affairs

APRIL 4, 2023

A new ransomware strain named Rorschach ransomware supports the fastest file-encrypting routine observed to date. The researchers conducted five separate encryption speed tests in a controlled environment (with 6 CPUs, 8192MB RAM, SSD, and 220000 files to be encrypted), limited to local drive encryption only.

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Encryption Ransomware Education Security 86

Security Affairs

FEBRUARY 6, 2023

Royal Ransomware operators added support for encrypting Linux devices and target VMware ESXi virtual machines. The Royal Ransomware gang is the latest extortion group in order of time to add support for encrypting Linux devices and target VMware ESXi virtual machines. The malware changes the extension of the encrypted files to ‘.royal’.

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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.

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Security Affairs

FEBRUARY 21, 2022

Researchers discovered a flaw in the encryption algorithm used by Hive ransomware that allowed them to decrypt data. Researchers discovered a flaw in the encryption algorithm used by Hive ransomware that allowed them to decrypt data without knowing the private key used by the gang to encrypt files. ” continues the paper.

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Security Affairs

MAY 18, 2021

Researchers at Tesorion released a decryptor for Judge ransomware that also decrypts files encrypted by the NoCry ransomware. In January this year, we published a blog post on our analysis of the Judge ransomware. Fortunately, our decryptor for Judge also decrypts files encrypted by the NoCry/Stupid ransomware. A free decryptor.

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Security Affairs

AUGUST 31, 2021

Recently emerged LockFile ransomware family LockFile leverages a novel technique called intermittent encryption to speed up encryption. Sophos researchers discovered that the group is now leveraging a new technique called “intermittent encryption” to speed up the encryption process.

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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. The most important change in the latest Hive variant is the encryption mechanism it adopts. ” reads the post published by Microsoft. ” continues Microsoft. .

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Encryption Ransomware Blockchain Libraries 106

Security Affairs

AUGUST 15, 2022

The SOVA Android banking trojan was improved, it has a new ransomware feature that encrypts files on Android devices, Cleafy researchers report. ” reads the analysis published by Cleafy. The malware encrypts the files inside the infected devices using an AES algorithm and renaming them with the extension “.enc”.

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Encryption Ransomware Access Communications 97

Dark Reading

MARCH 25, 2022

New analysis shows how long it takes for each of the top 10 ransomware families to encrypt 100,000 files.

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Encryption Ransomware IT 81

eSecurity Planet

OCTOBER 6, 2021

The malware encrypts files and spreads to the entire system to maximize damage, which forces companies to lock down the whole network to stop the propagation. Encryption is the Key. Encryption is used everywhere. Encrypting is neither hashing nor obfuscating files. What Happens During Ransomware Encryption?

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Thales Cloud Protection & Licensing

NOVEMBER 11, 2021

Don't Encrypt Everything; Protect Intelligently. And though you likely cannot calculate exactly how much data your organization holds; you know it is going to be a big and costly problem to “Encrypt Everything.”. Encrypting everything is time intensive because of explosive data growth. Thu, 11/11/2021 - 09:30.

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Security Affairs

SEPTEMBER 19, 2023

Researchers from Trend Micro, while monitoring the activity of the China-linked threat actor Earth Lusca , discovered an encrypted file hosted on a server under the control of the group. Additional analysis led to the discovery of a previously unknown Linux backdoor tracked as SprySOCKS. ” continues the report.

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Security Affairs

JANUARY 5, 2020

DeathRansom was considered fake ransomware due to the fact that it did not implement an effective encryption process, but now things are changing. DeathRansom is a ransomware family that was initially classified as a joke because it did not implement an effective encryption scheme. Pierluigi Paganini.

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Security Affairs

DECEMBER 1, 2023

The popular cyber security researcher Patrick Wardle published a detailed analysis of the new macOS ransomware Turtle. The Turtle ransomware reads files into memory, encrypt them with AES (in CTR mode), rename the files, then overwrites the original contents of the files with the encrypted data. concludes the analysis.

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Security Affairs

AUGUST 18, 2021

Researchers conducted a new analysis of the Diavol ransomware and found new evidence of the link with the gang behind the TrickBot botnet. reads the analysis published by Fortinet. ” continues the analysis. The security firm detected two suspicious files, locker.exe and locker64.dll C3F3799FE69249579857D2039BBBAB11. .

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Krebs on Security

NOVEMBER 17, 2022

He’d been on the job less than six months, and because of the way his predecessor architected things, the company’s data backups also were encrypted by Zeppelin. “We’ve found someone who can crack the encryption.” This is not an idle concern. ” they wrote.

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eSecurity Planet

JUNE 24, 2021

The increasing mobility of data, as it ping-pongs between clouds, data centers and the edge, has made it an easier target of cybercrime groups, which has put a premium on the encryption of that data in recent years. Since then, interest in fully homomorphic encryption (FHE) has increased, largely paralleling the rise of cloud computing.

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Encryption Cloud Libraries Privacy 85

Security Affairs

SEPTEMBER 19, 2022

” reads the analysis published by AquaSec. ” The Pollard’s Kangaroo interval ECDLP solver algorithm appears to be an attempt to break the SECP256K1 encryption which is used by Bitcoin to implement its public key cryptography. “Breaking the cryptographic encryption is considered “Mission: Impossible”.

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Encryption Honeypots Mining Communications 92

Thales Cloud Protection & Licensing

MAY 7, 2019

For many years, encryption has been viewed as a burden on businesses – expensive, complex and of questionable value. In recent years, we’ve seen a sharp rise in reporting and analysis of data breaches – arguably both a stimulant and a symptom of cyber-security taking its place on the board agenda. Enter encryption.

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Encryption Digital transformation Risk Cybersecurity 120

Security Affairs

OCTOBER 13, 2023

” reads the analysis published by Checkpoint. shell – Sends the computer name in a JSON format encrypted with simple XOR encryption and base64 encoded to the C2. The analysis of the C2 allowed the researchers to discover other loader variants used by the threat actor, such as CurLu, CurCore, and CurLog.

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Government IT Encryption Libraries 94

Data Breach Today

AUGUST 5, 2020

Company Says 'Temporary Limitations' on Services Continue Garmin, a fitness tracker and navigation device firm, apparently paid a ransom to recover from a July 23 security incident that encrypted several of its systems, according to two news reports as well as expert analysis.

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Encryption Security IT 269

Security Affairs

NOVEMBER 13, 2021

Threat actors are distributing the GravityRAT remote access trojan masqueraded as an end-to-end encrypted chat application named SoSafe Chat. Threat actors are distributing the GravityRAT RAT masqueraded as an end-to-end encrypted chat application named SoSafe Chat. in) used by the attackers. ” concludes the report from Cyble.

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Encryption Authentication Access IT 121

Security Affairs

NOVEMBER 28, 2022

The analysis of the RansomBoggs Ransomware code revealed that the authors make multiple references to the Pixar movie Monsters, Inc. RansomBoggs encrypts files using AES-256 in CBC mode and appends the.chsch extension to the encrypted files. The key is then RSA encrypted and written to aes.bin. <version?>

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Data Breach Today

JUNE 11, 2021

The latest edition of the ISMG Security Report features an analysis of lawmakers' grilling of Colonial Pipeline CEO Joseph Blount over his handling of the DarkSide ransomware attack. Also featured: How the FBI helped trick criminals into using an encrypted communications service that it was able to monitor.

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Dark Reading

JANUARY 10, 2018

New Encrypted Traffic Analytics is designed to help enterprises inspect encrypted traffic for malicious activity without having to decrypt it first.

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Encryption Analytics IT 51

Security Affairs

NOVEMBER 26, 2019

Researchers at SEC Consult Vulnerability Lab discovered multiple issues in several security products from Fortinet, including hardcoded key and encryption for communications. ” reads the analysis published by the experts. “The messages are encrypted using XOR “encryption” with a static key.”

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Communications Encryption Cloud Security 104

Security Affairs

MARCH 3, 2024

” reads the analysis published by Unit 42. ” The sample binary analyzed by the experts is compiled for x86, the authors removed debugging information and symbol tables to hinder analysis. .” The recent sample of Linux variants of BIFROSE employes RC4 encryption to encrypt the collected victim data.

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Encryption Cybersecurity IT Access 108

Security Affairs

MAY 25, 2020

Ransomware encrypts from virtual machines to evade antivirus. Ragnar Locker deploys Windows XP virtual machines to encrypt victim’s files, the trick allows to evaded detection from security software. ” continues the analysis. Mounting all the shared drives to encrypt.

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Encryption Ransomware Energy and Utilities File names 90

Security Affairs

NOVEMBER 19, 2023

Phobos variants are usually distributed by the SmokeLoader , but in 8Base campaigns, it has the ransomware component embedded in its encrypted payloads. 8base” file extension for encrypted documents, a circumstance that suggested a possible link to the 8Base group or the use of the same code-base for their ransomware. and Brazil.

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The Last Watchdog

MARCH 26, 2020

Related: Why cybersecurity should reflect societal values An emerging approach, called Network Traffic Analysis , is gaining traction as, in effect, a catch-all network security framework positioned at the highest layer of the networking stack. Just ask Equifax or Capital One. Heavyweights Cisco and FireEye are playing in this space.

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IoT Cloud Encryption Cybersecurity 129

Security Affairs

JANUARY 2, 2024

A team of researchers released a suite of tools that could help victims to decrypt data encrypted with by the Black Basta ransomware. Independent security research and consulting team SRLabs discovered a vulnerability in Black Basta ransomware’s encryption algorithm and exploited it to create a free decryptor.

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Ransomware Encryption Blockchain Insurance 108

Security Affairs

JANUARY 23, 2024

In early January, independent security research and consulting team SRLabs discovered a vulnerability in Black Basta ransomware’s encryption algorithm and exploited it to create a free decryptor. The ransomware employs encryption based on a ChaCha keystream, which is utilized to perform XOR operations on 64-byte-long chunks of the file.

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Encryption Ransomware Blockchain Insurance 106

The Last Watchdog

JANUARY 28, 2024

Related: The role of ‘attribute based encryption’ There’s nothing intrinsically wrong with companies seeking to better understand their customers. Both regulations have profound implications for companies seeking to collect and apply aggregate statistical analysis to consumer data. That could be about to change.

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Privacy Data Privacy GDPR Personal data 218

Security Affairs

DECEMBER 19, 2022

” reads the analysis published by Trend Micro. ” reads the analysis published by Trend Micro. The Rust variant has also been seen using intermittent encryption, one of the emerging tactics that threat actors use today for faster encryption and detection evasion.” ” continues the analysis.

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Ransomware Encryption Passwords Education 115

Security Affairs

DECEMBER 6, 2022

The encryption and decryption are not robust and the ransomware lack features like Windows Shadow Copy removal, File unlocking for a more thorough impact, Anti-analysis, and Defensive evasion (AMSI bypass, disabling event logging, etc.). At this point in this ransomware, the encryption process has already finished.

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eSecurity Planet

OCTOBER 3, 2022

Then they moved the conversation away from the platform to encrypted messaging apps like WhatsApp. If the social engineering attack succeeds, behavioral analysis can spot anomalous activity, and monitoring outgoing traffic can reveal suspicious activity. They used LinkedIn to connect with the victims and gain their trust.

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