Security Affairs

APRIL 29, 2023

xyz pic.twitter.com/VLhISark8Y — Goldwave (@OGoldwave) March 13, 2023 The variant employed in the campaign supports a more sophisticated encryption method of byte remapping and a monthly rotation of the C2 server. #ViperSoftX is back, doesn't look like much has changed. c2 arrowlchat[.]com ” concludes the report.

Encryption 86

Encryption Malware Cryptocurrency Software 86

Security Affairs

AUGUST 22, 2023

The Akira ransomware has been active since March 2023, the threat actors behind the malware claim to have already hacked multiple organizations in multiple industries, including education, finance, and real estate. The Akira ransomware gang targets Cisco VPN products to gain initial access to corporate networks and steal their data.

VPN 87

VPN Ransomware Hacking Education 87

Security Affairs

APRIL 21, 2024

The Akira ransomware has been active since March 2023, the threat actors behind the malware claim to have already hacked multiple organizations in multiple industries, including education, finance, and real estate. The Akira ransomware operators implement a double extortion model by exfiltrating victims’ data before encrypting it.

Ransomware 102

Ransomware Encryption Antivirus VPN 102

Security Affairs

APRIL 26, 2024

In particular, ransomware, which encrypts users’ data and demands a cryptocurrency ransom for their release or to avoid a dataleak, is becoming increasingly prevalent, causing financial and operational damage to individuals and businesses worldwide. Education improves awareness” is his slogan.

Cryptocurrency 84

Cryptocurrency Cybercrime Education Scams 84

The Last Watchdog

JUNE 21, 2020

Although most people think of ransomware as a dodgy application that encrypts data and holds it for ransom, the concept is much more heterogeneous than that. File encryption 2013 – 2015. It emerged in September 2013 and paved the way for hundreds of file-encrypting menaces that have splashed onto the scene ever since.

Ransomware 243

Ransomware Hacking Encryption Penetration Testing 243

Security Affairs

FEBRUARY 12, 2024

Cybersecurity researchers from Kookmin University and the Korea Internet and Security Agency (KISA) discovered an implementation vulnerability in the source code of the Rhysida ransomware. Rhysida ransomware employed a secure random number generator to generate the encryption key and subsequently encrypt the data.

Ransomware 112

Ransomware Encryption VPN Manufacturing 112

SC Magazine

MARCH 5, 2021

A developer published via GitHub a proof-of-concept (POC) ransomware program featuring strong compatibility with the post-exploitation tool Cobalt Strike, open-source coding, and extensionless encryption. Another interesting feature: the ransomware doesn’t append extensions to the files it encrypts. Tracking the traction of new code.

Education 82

Education Ransomware Malware Cybercrime 82

Security Affairs

DECEMBER 19, 2022

The ransomware was originally written in Go language and was employed in attacks aimed at healthcare and education sectors in countries like Thailand and Indonesia. 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.”

Ransomware 121

Ransomware Encryption Healthcare Education 121

Security Affairs

OCTOBER 16, 2023

Microsoft thwarted a large-scale hacking campaign carried out by Akira ransomware operators targeting an unknown industrial organization. According to the IT giant, its cyber defense solution is able to automatically disrupt human-operated attacks like ransomware without needing to deploy any other capabilities.

Engineering 105

Engineering Ransomware Hacking Education 105

Security Affairs

JULY 1, 2023

“During the run, the ransomware generates a symmetric encryption key using CryptGenRandom() , which is the random number generator implemented by Windows CryptoAPI. Files are encrypted by Chacha 2008 ( D. “The symmetric key is encrypted by the RSA-4096 cipher and appended to the end of the encrypted file.

Ransomware 98

Ransomware Encryption Malware Hacking 98

Security Affairs

DECEMBER 22, 2022

The Vice Society ransomware group has adopted new custom ransomware, with a strong encryption scheme, in recent intrusions. SentinelOne researchers discovered that the Vice Society ransomware gang has started using a custom ransomware that implements a robust encryption scheme, using NTRUEncrypt and ChaCha20-Poly1305 algorithms.

Ransomware 123

Ransomware Encryption Malware Education 123

Security Affairs

APRIL 27, 2023

The encryptor uses a combination of ECDH on Curve25519 (asymmetric encryption) and Chacha20 (symmetric encryption) to encrypt files. The researchers discovered that the samples contain a self-delete mechanism which is invoked once the victim’s device is encrypted. ” reads the analysis published by Uptycs.

Encryption 85

Encryption Ransomware Malware Education 85

Security Affairs

MARCH 24, 2023

The principle behind the initiative is simple, ransomware actors initially gain access to the target organization, then they take some time before stealing or encrypting data. The time-lapse between initial access to a network and the encryption of the systems can last from hours to days. ” concludes the announcement.

Ransomware 85

Ransomware Encryption Healthcare Education 85

Security Affairs

DECEMBER 1, 2022

While no plaintext passwords or financial data was stolen, the hack did expose answers to security questions. Experts believe Yahoo was using outdated, easy-to-crack encryption, which led to the attack. The attack is a good reminder of how critical strong encryption is in protecting your website users. Pierluigi Paganini.

Data breaches 92

Data breaches Passwords Social Engineering Encryption 92

Security Affairs

APRIL 20, 2023

Threat actors are hacking poorly secured and Interned-exposed Microsoft SQL servers to deploy the Trigona ransomware. Threat actors are hacking into poorly secured and public-facing Microsoft SQL servers to deploy Trigona ransomware. _locked” extension to the filename of encrypted files.

Ransomware 82

Ransomware Malware Encryption Hacking 82

Security Affairs

APRIL 16, 2023

One of the encryptors developed by Lockbit, named ‘locker_Apple_M1_64’, can encrypt files of Mac systems running on the Apple silicon M1. The thesis is supported also by the presence in the encryptor of a list of sixty-five Windows file extensions and filenames that will be excluded from encryption.

Encryption 96

Encryption Architecture Ransomware Education 96

Security Affairs

MARCH 3, 2023

According to government experts, the Royal ransomware attacks targeted numerous critical infrastructure sectors including, manufacturing, communications, healthcare and public healthcare (HPH), and education. The Royal ransomware can either fully or partially encrypt a file depending on its size and the ‘-ep’ parameter.

Ransomware 89

Ransomware Healthcare Antivirus Encryption 89

Security Affairs

OCTOBER 31, 2022

In the early afternoon of Friday 12 May 2017, the media broke the news of a global computer security attack carried out through a malicious code capable of encrypting data residing in information systems and demanding a ransom in cryptocurrency to restore them, the Wannacry ransomware. SecurityAffairs – hacking, Wannacry).

Malware 96

Malware Computers and Electronics Encryption Ransomware 96

eSecurity Planet

AUGUST 9, 2022

Thus, it can be difficult for even small enterprises to keep up with information security and data privacy compliance. Sometimes, however, information security, data privacy, and IT compliance overall are people problems more than they are pure data problems. Security, Privacy and Compliance Can Conflict.

Data privacy 145

Data privacy Encryption Data breaches Insurance 145

Security Affairs

MARCH 29, 2021

Harris Federation is a multi-academy trust of 50 primary and secondary academies in and around London educating more than 36,000 students. “A ransomware attack means that cyber-criminals have accessed our IT systems and encrypted, or hidden, their contents.” SecurityAffairs – hacking, ransomware).

Ransomware 96

Ransomware Education Mobile Encryption 96

Security Affairs

MAY 19, 2023

ReversingLabs discovered two malicious packages, respectively named nodejs-encrypt-agent and nodejs-cookie-proxy-agent, in the npm package repository containing an open-source info-stealer called TurkoRat. The nodejs-encrypt-agent was discovered due to name and version discrepancies noticed by the researchers while scanning the repository.

Encryption 78

Encryption Social Engineering Malware Cryptocurrency 78

Security Affairs

JANUARY 2, 2023

According to the “ The State of Ransomware in the US: Report and Statistics 2022 ” report published by Emsisoft, the number of ransomware attacks against government, education and healthcare sector organizations is quite similar to the number of attacks in previous years. SecurityAffairs – hacking, malware).

Government 87

Government Ransomware Healthcare Education 87

Security Affairs

JUNE 3, 2023

According to government experts, the Royal ransomware attacks targeted numerous critical infrastructure sectors including, manufacturing, communications, healthcare and public healthcare (HPH), and education. The Royal ransomware is written in C++, it infected Windows systems and deletes all Volume Shadow Copies to prevent data recovery.

Ransomware 93

Ransomware Healthcare Encryption Manufacturing 93

Security Affairs

MAY 4, 2023

According to government experts, the Royal ransomware attacks targeted numerous critical infrastructure sectors including, manufacturing, communications, healthcare and public healthcare (HPH), and education. The Royal ransomware is written in C++, it infected Windows systems and deletes all Volume Shadow Copies to prevent data recovery.

Ransomware 92

Ransomware Healthcare Education Encryption 92

Security Affairs

AUGUST 27, 2022

The collected samples were 64-bit Windows PE (Portable Executable) files and were used to target healthcare and education organizations in Indonesia, Saudi Arabia, South Africa, and Thailand. Our investigation showed that the samples had leaked accounts, customer passwords, and unique company IDs used as extensions of encrypted files.”

Ransomware 97

Ransomware Encryption Accountability Antivirus 97

Hot for Security

FEBRUARY 16, 2021

Non-encrypted data, insecure protocols and poor user authentication mechanisms are among the security issues that leave seismological networks open to breaches, the authors note.

IoT 128

IoT InfoSec Data collection Encryption 128

Security Affairs

OCTOBER 12, 2023

HTTPS only indicates that the transmission of data between client and server is done by encrypting information (the letter S, the green padlock, and the certificate cannot give guarantees about the reliability of a site). He is also the author of the book “La Gestione della Cyber Security nella Pubblica Amministrazione”.

Phishing 111

Phishing Scams Education Passwords 111

Security Affairs

MAY 14, 2023

ransom Dragon Breath APT uses double-dip DLL sideloading strategy International Press Cybercrime San Bernardino County pays $1.1-million ransom Dragon Breath APT uses double-dip DLL sideloading strategy International Press Cybercrime San Bernardino County pays $1.1-million

Data breaches 87

Data breaches DDOS Artificial Intelligence Ransomware 87

Security Affairs

JUNE 29, 2020

million to cybercriminals to recover data encrypted during a ransomware attack that took place on June 1. While we stopped the attack as it was occurring, the actors launched malware that encrypted a limited number of servers within the School of Medicine, making them temporarily inaccessible,” reads a statement published by the UCSF.

Ransomware 124

Ransomware Encryption Advertising Malware 124

Security Affairs

AUGUST 13, 2022

The ransomware was involved in attacks aimed at technology and healthcare, defense contractors, educational institutions, manufacturers, companies across Europe, the United States, and Canada. To each encrypted file, it appends a randomized nine-digit hexadecimal number as an extension. SecurityAffairs – hacking, Zeppelin ransomware).

Ransomware 85

Ransomware Encryption Firmware Backups 85

Security Affairs

NOVEMBER 16, 2022

The second stage payload is a heavily obfuscated shellcode, the APT group used an encryption method different for each sample. SecurityAffairs – hacking, APT). The post Lazarus APT uses DTrack backdoor in attacks against LATAM and European orgs appeared first on Security Affairs. ” continues the analysis.

Telecommunications 120

Telecommunications Manufacturing Malware Education 120

Security Affairs

NOVEMBER 14, 2021

The first step consists of recommending organizations to follow best practices to neutralize ransomware attack such as set up offline, off-site, encrypted backups. “In addition, educate your staff on the folly of using the same password on different platforms, and consider the many benefits of multifactor authentication.”

Small Business 92

Small Business Ransomware Backups Authentication 92

Security Affairs

APRIL 14, 2023

The threat actor was able to access the nightly backups containing all public forum posts, team forum posts, messages sent through the user-to-user messaging system, and user information such as forum username, email address used for notifications, and an encrypted (hashed and salted) password generated by the MyBB software.

Data breaches 91

Data breaches Backups Passwords Accountability 91

Security Affairs

JUNE 1, 2023

Prosperix should focus on the following areas to mitigate risks: Encryption: setting default server-side encryption for existing Amazon S3 buckets. Auditing and logging: regularly checking server access logs Employee training: enhancing knowledge and awareness of data security.

Identity Theft 80

Identity Theft Scams Risk Media 80

Security Affairs

JANUARY 30, 2021

Our organisation brings together the seven disciplinary research councils, Research England, which is responsible for supporting research and knowledge exchange at higher education institutions in England, and the UK’s innovation agency, Innovate UK. “The UKRO portal provides an information service to subscribers.

Ransomware 134

Ransomware Education Cyber Attacks Encryption 134

Security Affairs

APRIL 9, 2023

Nominate here: [link] Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs – hacking, newsletter newsletter) The post Security Affairs newsletter Round 414 by Pierluigi Paganini – International edition appeared first on Security Affairs. billion rubles.

Computers and Electronics 79

Computers and Electronics Backups Cybercrime Marketing 79

Security Affairs

DECEMBER 1, 2021

In September 2021, the security experts noticed a post on the exploit.in hacking forum looking for affiliated for a new ransomware operation. The Sabbath ransomware gang has targeted critical infrastructure, including education, health, and natural resources in the United States and Canada. Pierluigi Paganini.

Ransomware 114

Ransomware Education Hacking Encryption 114