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 108

Ransomware Encryption Antivirus VPN 108

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 127

Ransomware Encryption Malware Education 127

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

APRIL 14, 2023

The threat actors also attempted to sell the stolen data on the BreachForums cybercrime forum that was recently shut down by law enforcement. The company pointed out that although MyBB stores passwords in an encrypted format they assumed all passwords are compromised.

Data breaches 92

Data breaches Backups Passwords Accountability 92

The Last Watchdog

OCTOBER 24, 2022

. • Create security awareness for employees. One of the most important ways to protect against data breaches is to increase employee security awareness. Employees are the first line of defense against cybercrime and should understand how to recognize phishing emails and what to do if they suspect them. Use a corporate VPN.

Passwords 214

Passwords Security Awareness Data breaches Cybersecurity 214

Security Affairs

APRIL 30, 2023

Every week the best security articles from Security Affairs are free for you in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press.

Cybercrime 89

Cybercrime Malware Hacking Accountability 89

IT Security Guru

AUGUST 16, 2021

million to cybercrime, as per official police statistics. One of the most damaging forms of cybercrime comes in the form of Ransomware. . Not only that, but 81% of cyber security experts believe we are likely to see more ransomware than ever across the next few years, thanks to its increasing prevalence. What is Ransomware?

Ransomware 102

Ransomware Cybercrime Backups Encryption 102

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 87

Encryption Ransomware Malware Education 87

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. Cryptolocker and exploit components.

Malware 99

Malware Computers and Electronics Encryption Ransomware 99

Security Affairs

APRIL 9, 2023

CISA adds Veritas Backup Exec flaws to its Known Exploited Vulnerabilities catalog Apple addressed two actively exploited zero-day flaws MSI confirms security breach after Money Message ransomware attack Microsoft aims at stopping cybercriminals from using cracked copies of Cobalt Strike Phishers migrate to Telegram Money Message ransomware group claims (..)

Computers and Electronics 82

Computers and Electronics Backups Cybercrime Marketing 82

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 87

Ransomware Encryption Healthcare Education 87

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 91

Ransomware Healthcare Antivirus Encryption 91

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 97

Encryption Architecture Ransomware Education 97

Security Affairs

OCTOBER 16, 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. Like other ransomware gangs, the group has developed a Linux encryptor to target VMware ESXi servers.

Engineering 110

Engineering Ransomware Hacking Education 110

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

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 93

Ransomware Healthcare Education Encryption 93

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 95

Data breaches Passwords Social Engineering Encryption 95

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 94

Ransomware Healthcare Encryption Manufacturing 94

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

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 117

Phishing Scams Education Passwords 117

Security Affairs

APRIL 20, 2023

Trigona is written in Delphi language, it encrypts files without distinguishing their extensions and appends the “._locked” _locked” extension to the filename of encrypted files. The svchost.bat also deletes volume shadow copies and disables the system recovery feature to prevent victims from recovering the encrypted files.

Ransomware 84

Ransomware Malware Encryption Hacking 84

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 89

Data breaches DDOS Artificial Intelligence Ransomware 89

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. ” reads the joint advisory. “The

Ransomware 87

Ransomware Encryption Firmware Backups 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 129

Ransomware Encryption Advertising Malware 129

CyberSecurity Insiders

APRIL 7, 2023

Rorschach Ransomware: One of the Fastest and Most Sophisticated Strains Yet Cybersecurity researchers have found a new ransomware strain called Rorschach that is extraordinarily sophisticated and faster at encrypting data than any other documented strain.

Encryption 52

Encryption Ransomware Marketing Cybercrime 52

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 97

Small Business Ransomware Backups Authentication 97

Security Affairs

MARCH 1, 2020

The best news of the week with Security Affairs. Google sued by New Mexico attorney general for collecting student data through its Education Platform. Raccoon Malware, a success case in the cybercrime ecosystem. European Commission has chosen the Signal app to secure its communications. Lampion malware v2 February 2020.

Banking 91

Banking Malware Advertising Ransomware 91

Security Affairs

SEPTEMBER 23, 2023

The command-and-control beacons allowed Royal to prepare the City’s network resources for the May 03, 2023, ransomware encryption attack.” million to mitigate the May Royal ransomware attack appeared first on Security Affairs. ” continues the report.

Ransomware 107

Ransomware Surveillance Healthcare Accountability 107

Security Affairs

FEBRUARY 9, 2020

It is unclear if the attackers have exfiltrated data from the systems before encrypting them. “Since the cyber attack on 23 December 2019, UM has been working hard: on the one hand, to repair the damage and, on the other hand, to make education and research p ossible again as soon as p ossible.”

Ransomware 109

Ransomware Cyber Attacks Architecture Backups 109

Security Affairs

AUGUST 4, 2020

NetWalker ransomware operators continue to be very active, according to McAfee the cybercrime gang has earned more than $25 million since March 2020. and foreign government organizations, education entities, private companies, and health agencies by unidentified cyber actors.” reads the alert. public health organization.

Ransomware 78

Ransomware VPN Cybercrime Advertising 78

Security Affairs

APRIL 3, 2023

“Like most Mirai variants, it has an encrypted data section with a botnet configuration.” . “The script file to further download Moobot is shown below. It executes the Moobot with the parameter realtek.<Filename>.” <Filename>.” ” reads the report published by FortiGuard Labs.

DDOS 83

DDOS Malware Hacking Education 83

Security Affairs

FEBRUARY 21, 2024

The NCA and its global partners have secured over 1,000 decryption keys that will allow victims of the gang to recover their files for free. The NCA will reach out to victims based in the UK in the coming days and weeks, providing support to help them recover encrypted data.

Energy and Utilities 93

Energy and Utilities Ransomware Manufacturing Financial Services 93

Security Affairs

SEPTEMBER 5, 2019

RYUK encrypts, or renders inaccessible, the data stored on computer servers and workstations. In order to potentially unlock the encrypted data, the operator must then make a payment to acquire a decryption key from the attacker to access its data.

Ransomware 79

Ransomware Encryption Advertising Backups 79

Security Affairs

FEBRUARY 20, 2024

The NCA and its global partners have secured over 1,000 decryption keys that will allow victims of the gang to recover their files for free. The NCA will reach out to victims based in the UK in the coming days and weeks, providing support to help them recover encrypted data.

Energy and Utilities 102

Energy and Utilities Ransomware Manufacturing Financial Services 102

Security Affairs

AUGUST 28, 2019

The cybercrime gang is also expanding the list of countries, recent campaigns aimed at entities in Turkey, Serbia, Romania, Korea, Canada, the Czech Republic, and Hungary. TA505 also used in one attack an updated version of ServHelper that included the strings’ binary encrypted in Vigenère cipher. ” continues the report.

Banking 74

Banking Insurance Malware Cybercrime 74

Security Affairs

MAY 12, 2023

This can be done using encryption. Deploying email-specific security controls that go beyond traditional security methods, such as dynamic crawl abilities. Protecting all endpoints by building a comprehensive security posture and reviewing all files, processes, and network activity proactively.

Phishing 90

Phishing Social Engineering Small Business B2B 90

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 117

Ransomware Encryption VPN Manufacturing 117