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.

Encryption 93

Encryption Ransomware IT Cybersecurity 93

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 120

Encryption Ransomware Cybersecurity Education 120

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.

Encryption 94

Encryption Ransomware Education Security 94

Data Breach Today

JULY 26, 2019

The latest edition of the ISMG Security Report offers a deep dive on the debate about whether law enforcement officials should have a "backdoor" to circumvent encryption. Also featured: An analysis of Equifax's settlement with the FTC and a discussion of a new report on the cost of data breaches.

Encryption 138

Encryption Data breaches Security 138

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. Pierluigi Paganini.

Encryption 93

Encryption Ransomware Paper Blockchain 93

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’.

Encryption 98

Encryption Ransomware IT Security 98

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.

Encryption 121

Encryption Ransomware Access Passwords 121

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.

Ransomware 126

Ransomware Encryption IT Security 126

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.

Encryption 108

Encryption Ransomware Financial Services Manufacturing 108

Data Breach Today

JANUARY 10, 2020

Also featured: the controversy over enabling law enforcement to circumvent encryption; the cyberattack risks posed by IoT devices. The latest edition of the ISMG Security Report discusses "Orwellian" surveillance activity in 2020 via the ToTok app.

IoT 147

IoT Encryption Risk Security 147

Data Breach Today

JANUARY 10, 2020

Also featured: the controversy over enabling law enforcement to circumvent encryption; the cyberattack risks posed by IoT devices. The latest edition of the ISMG Security Report discusses "Orwellian" surveillance activity in 2020 via the ToTok app.

IoT 147

IoT Encryption Risk Security 147

Data Breach Today

NOVEMBER 9, 2018

An analysis of a crackdown on criminals' use of encrypted communications leads the latest edition of the ISMG Security Report. Also: a preview of ISMG's Healthcare Security and Legal & Compliance summits, including expert insights on vendor risk management.

Communications 133

Communications Encryption Compliance Risk 133

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. .

Encryption 117

Encryption Ransomware Blockchain Libraries 117

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.

Encryption 81

Encryption Ransomware IT 81

Data Breach Today

APRIL 5, 2019

Other topics: filling the DevSecOps skills gap and the repercussions of Australia's encryption-busting law. The latest edition of the ISMG Security Report offers an in-depth look at the ever-changing ransomware threat.

Ransomware 170

Ransomware Encryption Security 170

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”.

Encryption 98

Encryption Ransomware Access Communications 98

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?

Encryption 84

Encryption Ransomware Communications Access 84

Data Breach Today

JANUARY 12, 2018

An analysis of FBI Director Christopher Wray's comments about how encryption poses complications for law enforcement officials leads the latest edition of the ISMG Security Report. Also featured: The former CISO of the state of Michigan sizes up cybersecurity forecasts.

Encryption 113

Encryption Cybersecurity Security 113

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.

Encryption 71

Encryption Unstructured data Risk Cloud 71

Security Affairs

JULY 5, 2020

Experts spotted recent samples of the Snake ransomware that were isolating the infected systems while encrypting files to avoid interference. The Snake ransomware kills processes from a predefined list, including ICS-related processes, to encrypt associated files. ” continues the analysis. ” concludes the report.

Encryption 99

Encryption Ransomware Cybersecurity Archiving 99

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. Browsing to the URL led to us a website, seen in figures 2 and 3, from which we derived the name for the ransomware.”

Ransomware 100

Ransomware Encryption Communications Security 100

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”.

Encryption 97

Encryption Honeypots Mining Communications 97

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.

Encryption 85

Encryption Cloud Libraries Privacy 85

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.

Encryption 120

Encryption Digital transformation Risk Cybersecurity 120

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.

Encryption 51

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.”

Communications 116

Communications Encryption Cloud Security 116

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. Pierluigi Paganini.

Encryption 132

Encryption Authentication Access IT 132

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.

Ransomware 126

Ransomware Encryption Archiving Cybersecurity 126

Threatpost

OCTOBER 4, 2021

An analysis of second-quarter malware trends shows that threats are becoming stealthier.

Encryption 122

Encryption Security 122

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.

Encryption 101

Encryption Ransomware Energy and Utilities File names 101

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.” Then came the unlikely call from an FBI agent. “Don’t pay,” the agent said.

Ransomware 300

Ransomware Encryption Manufacturing Phishing 300

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.

Ransomware 226

Ransomware Encryption Communications Security 226

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.

Encryption 273

Encryption Security IT 273

Data Breach Today

SEPTEMBER 2, 2020

Malwarebytes: New Method Eases Theft of Information From Ecommerce Sites Some fraudsters are now using the encrypted instant messaging app Telegram as a fast and easy way to steal payment card data from ecommerce sites, according to an analysis from Malwarebytes.

Encryption 243

Encryption 243

KnowBe4

OCTOBER 12, 2022

New analysis of cyberattacks shows that organizations aren’t able to properly detect ransomware attacks, resulting in a majority of victims paying the ransom to retrieve data.

Ransomware 85

Ransomware Encryption 85

Threatpost

JUNE 10, 2020

The increasingly prevalent GuLoader malware has been traced back to a far-reaching encryption service that attempts to pass as above-board.

Encryption 102

Encryption Cloud Security 102

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.

IoT 129

IoT Cloud Encryption Cybersecurity 129