Security Affairs

MARCH 26, 2021

The Federal Bureau of Investigation (FBI) issued an alert to warn that the Mamba ransomware is abusing the DiskCryptor open source tool to encrypt entire drives. Mamba ransomware is one of the first malware that encrypted hard drives rather than files that was detected in public attacks. ” reads the alert published by the FBI.

Ransomware 144

Ransomware Encryption Passwords Malware 144

Security Affairs

JULY 8, 2022

Threat actors are targeting devices exposed online with the SMB service enabled, they perform brute-force attacks against accounts using weak passwords. Preliminary investigation indicates that Checkmate attacks via SMB services exposed to the internet, and employs a dictionary attack to break accounts with weak passwords.”

Ransomware 93

Ransomware Encryption Passwords Internet 93

eSecurity Planet

JULY 8, 2022

“With a cyberattack, it’s more than just data that needs protecting—at risk is really the entire physical infrastructure from applications and operating systems down to low-level firmware and BIOS. This type of backup and DR technology offers RPOs measured in hours. See the Best Backup Solutions for Ransomware Protection.

Backups 142

Backups Ransomware Technology Marketing 142

Malwarebytes

SEPTEMBER 7, 2022

Both use the.kitty or.crypted file extension for encrypted files. But you should also realize that while it’s easy to say that you need reliable and easy to deploy backups, for example, it’s not always easy to follow that advice. Maintain offline backups of data, and regularly maintain backup and restoration.

Education 85

Education Ransomware Backups Passwords 85

SecureWorld News

OCTOBER 8, 2023

Use the 3-2-1 backup rule. Periodically, at least once a quarter, review the security settings of your social media accounts and the apps linked to them. Be vigilant about duplicate accounts of people you know. When configuring your home network, utilize a standard/regular user account with restricted access.

Firmware 86

Firmware IoT Accountability Passwords 86

Security Affairs

OCTOBER 22, 2022

“The actors have leveraged privileged accounts to gain access to VMware vCenter Server and reset account passwords [ T1098 ] for ESXi servers in the environment. Below are the mitigations provided in the alert: Install updates for operating systems, software, and firmware as soon as they are released. administrative?accounts,

Ransomware 69

Ransomware VPN Cybercrime Accountability 69

Security Affairs

FEBRUARY 14, 2022

“BlackByte is a Ransomware as a Service (RaaS) group that encrypts files on compromised Windows host systems, including physical and virtual servers.” Once gained access to the network, threat actors deployed tools to perform lateral movements and escalate privileges before exfiltrating and encrypting files.

Ransomware 89

Ransomware Accountability Firmware Antivirus 89

Security Affairs

SEPTEMBER 3, 2021

“Cyber criminal threat actors exploit network vulnerabilities to exfiltrate data and encrypt systems in a sector that is increasingly reliant on smart technologies, industrial control systems, and internet-based automation systems. The good news is in the latter attack the victims restored its backups.

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Ransomware Passwords Backups Firmware 97

Security Affairs

AUGUST 13, 2022

To each encrypted file, it appends a randomized nine-digit hexadecimal number as an extension. The US agencies recommend not paying the ransom because there is no guarantee to recover the encrypted files and paying the ransomware will encourage the illegal practice of extortion. ” reads the joint advisory. “The

Ransomware 86

Ransomware Encryption Firmware Backups 86

Malwarebytes

APRIL 11, 2022

Implement regular backups of all data to be stored as air-gapped, password-protected copies offline. Install updates/patch operating systems, software, and firmware as soon as updates/patches are released. Review domain controllers, servers, workstations, and active directories for new or unrecognized user accounts. Source: IC3.gov.

Ransomware 74

Ransomware Firmware Accountability Technology 74

Malwarebytes

JULY 20, 2022

According to court documents, in May 2021, North Korean hackers used a ransomware strain called Ransom.Maui to encrypt the files and servers of a medical center in the District of Kansas. In May 2022, the FBI seized the contents of two cryptocurrency accounts that had received funds from the Kansas and Colorado health care providers.

Ransomware 91

Ransomware Cryptocurrency Healthcare Firmware 91

eSecurity Planet

FEBRUARY 15, 2022

The ransomware encrypts files on compromised Windows host systems, including physical and virtual servers, the advisory noted, and the executable leaves a ransom note in all directories where encryption occurs, including ransom payment instructions for obtaining a decryption key. CISA Vulnerabilities Affect Apple, Oracle and Others.

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Ransomware Encryption Backups Accountability 128

Security Boulevard

MAY 9, 2022

The ransomware targets virtual machines and snapshots, looking to escape containers, encrypt any possible persistence, and wipe out backups that weren’t carefully archived. Regularly back up data, air gap, and password protect backup copies offline. Review Task Scheduler for unrecognized scheduled tasks.

Ransomware 98

Ransomware Antivirus Backups Passwords 98

eSecurity Planet

MARCH 1, 2023

To prevent unwanted access and protect data in transit, wireless connections must be secured with strong authentication procedures, encryption protocols, access control rules, intrusion detection and prevention systems, and other security measures. As a result, wireless networks are prone to eavesdropping, illegal access and theft.

Wireless 98

Wireless Encryption Authentication IoT 98

eSecurity Planet

JUNE 30, 2023

Credential Protection: Prevent credential compromise by putting domain admin accounts in groups for protected users, avoiding plaintext credentials in scripts, and providing time-based access. Backup and Restoration: Keep offline backups of data and execute backup and restore on a regular basis.

Ransomware 104

Ransomware Backups Passwords Software 104

Malwarebytes

MAY 6, 2022

At first, some suspected that Onyx may be a wiper rather than ransomware because it destroyed files larger than 2MB instead of encrypting them. Implement regular backups of all data to be stored as air-gapped, password-protected copies offline. Use double authentication when logging into accounts or services. Source: IC3.gov.

Ransomware 82

Ransomware Encryption Accountability Technology 82

Malwarebytes

MARCH 10, 2022

Implement regular backups of all data to be stored as air-gapped, password-protected copies offline. Install updates/patch operating systems, software, and firmware as soon as updates/patches are released. Review domain controllers, servers, workstations, and active directories for new or unrecognized user accounts. Mitigations.

Ransomware 70

Ransomware Phishing Accountability Technology 70

Malwarebytes

MAY 28, 2021

The files are then held for ransom and the victim is threatened by data loss, because of the encryption, and leaking of the exfiltrated data. Files are encrypted with a combination of AES-256 and RSA-4096 via the Microsoft CryptoAPI , as per CrowdStrike. Earlier versions appended the.CONTI extension to encrypted files.

Healthcare 107

Healthcare Ransomware Encryption Passwords 107

Security Affairs

MAY 13, 2021

According to open-source reporting, since August 2020, DarkSide actors have been targeting multiple large, high-revenue organizations, resulting in the encryption and theft of sensitive data. Update software , including operating systems, applications, and firmware on IT network assets, in a timely manner.

Ransomware 109

Ransomware Healthcare Phishing Risk 109

Security Affairs

APRIL 2, 2021

. “The APT actors may be using any or all of these CVEs to gain access to networks across multiple critical infrastructure sectors to gain access to key networks as pre-positioning for follow-on data exfiltration or data encryption attacks,” continues the advisory. Implement network segmentation.

Passwords 65

Passwords Government Firmware Accountability 65

eSecurity Planet

OCTOBER 24, 2023

Secure practices like robust admin passwords and advanced encryption ensure control over traffic, safeguarding personal information and increasing the odds of a secure online experience. Proper home router practices , such as enabling encryption settings and providing strong default admin passwords, will dramatically improve network security.

Malware 122

Malware Antivirus Software Passwords 122

Malwarebytes

APRIL 5, 2023

In fact, an October 2022 Government Accountability Office (GAO) report found that loss of learning following a cyberattack ranged from three days to three weeks, with recovery time taking anywhere from two to nine months. Require all accounts with credentialed logins to comply with NIST standards for password policies.

Education 62

Education Ransomware Cybersecurity Risk 62

Pen Test Partners

OCTOBER 9, 2023

There is no concrete method to follow as it will rely on contents of the decomposed design from Step 2, but typical examples might include the following: Intellectual property in the device firmware. Deploy malicious firmware. Use AES encryption. link] [link] Have a software/firmware update mechanism. Encrypt in transit.

IoT 52

IoT Firmware Mobile Manufacturing 52

eSecurity Planet

MAY 28, 2021

Ransomware: Encryption, Exfiltration, and Extortion. Ransomware perpetrators of the past presented a problem of availability through encryption. Prevent Rely solely on offline backups Disallow unnecessary file sharing. Detect Focus on encryption Assume exfiltration. Old way New way. The newest agency in the U.S.

Software 119

Software Firmware DNS VPN 119

eSecurity Planet

MAY 19, 2022

Encrypting Data in Transit. Many software-defined networking solutions (SDN) have built-in 128- and 256-bit AES encryption and IPsec-based VPN capabilities. However, with TLS-encrypted traffic accounting for most traffic across the internet, it’s far more challenging to examine at scale. Inspecting Web Traffic.

Firewall 57

Firewall Architecture Software Backups 57

SecureWorld News

OCTOBER 29, 2020

Once dropped, Ryuk uses AES-256 to encrypt files and an RSA public key to encrypt the AES key.". Patch operating systems, software, and firmware as soon as manufacturers release updates. Regularly change passwords to network systems and accounts and avoid reusing passwords for different accounts.

Ransomware 63

Ransomware Healthcare Backups Cybercrime 63

eSecurity Planet

JULY 25, 2023

Ransomware attacks: Ransomware is malware extortion attack that encrypts a victim’s files, demanding a ransom payment in exchange for the decryption key. MiTM attacks allow attackers to eavesdrop, modify, or steal sensitive information, such as financial account information or login credentials.

Software 98

Software Data breaches DDOS Ransomware 98

Malwarebytes

JUNE 3, 2022

Implement regular backups of all data to be stored as air-gapped, password-protected copies offline. Install updates/patch operating systems, software, and firmware as soon as updates/patches are released. Review domain controllers, servers, workstations, and active directories for new or unrecognized user accounts. Source: IC3.gov.

Ransomware 102

Ransomware Accountability Technology Firmware 102

eSecurity Planet

FEBRUARY 16, 2021

By obtaining sensitive authentication access, attackers can break into the vendor network or user account. For malicious keyloggers outside your organization, initial access to a device or user’s account would be necessary. Other forms of ransomware threaten to publicize sensitive information within the encrypted data.

Malware 105

Malware Adware Spyware Antivirus 105

eSecurity Planet

OCTOBER 21, 2022

One of the most dangerous kinds of malware for businesses, ransomware can slip into a network or device and encrypt sensitive files or lock down the entire device unless the victims pay the hacker a usually-sizable fee to unlock it – and even then, decryption fails most of the time. Firmware rootkits are also known as “hardware rootkits.”.

Malware 75

Malware Adware Spyware Antivirus 75

Malwarebytes

JULY 13, 2022

A ransomware attack in New Jersey’s Somerset County disrupted services and forced employees to shut down computers and create temporary Gmail accounts to ensure the public could still email key departments. Automatic data backups to offsite and/or segmented servers will be key in keeping businesses operational in case of breach.

Ransomware 108

Ransomware Manufacturing Government Computers and Electronics 108

McAfee

AUGUST 24, 2021

Lastly, the pump runs its own custom Real Time Operating System (RTOS) and firmware on a M32C microcontroller. We could not find one ready to use; however, the web interface has an option to backup and export settings which relies on tarring a folder containing a handful of files and encrypting it with AES using a user-provided password.

Computers and Electronics 145

Computers and Electronics Authentication Software Risk 145

ForAllSecure

OCTOBER 29, 2020

Bee: I have to put in 16 letters and digits to get into my FreshDirect account. You want to make sure the devices used are hardened, they don’t have unnecessary outside access, that they are kept up-to-date with their software, firmware, etc. There were PDFs of Election Day passwords that supervisors use to start in elections.

Hacking 52

Hacking Mobile Software Technology 52

ForAllSecure

OCTOBER 29, 2020

Bee: I have to put in 16 letters and digits to get into my FreshDirect account. You want to make sure the devices used are hardened, they don’t have unnecessary outside access, that they are kept up-to-date with their software, firmware, etc. There were PDFs of Election Day passwords that supervisors use to start in elections.

Hacking 52

Hacking Mobile Software Technology 52

ForAllSecure

OCTOBER 20, 2020

Bee: I have to put in 16 letters and digits to get into my FreshDirect account. You want to make sure the devices used are hardened, they don’t have unnecessary outside access, that they are kept up-to-date with their software, firmware, etc. There were PDFs of Election Day passwords that supervisors use to start in elections.

Hacking 40

Hacking Mobile Software Technology 40

SecureList

JULY 28, 2022

We identified a Windows variant of this sample using the same string encryption algorithm, internal modules, and functionalities. In late 2021, we encountered a malicious DXE driver incorporated into several UEFI firmware images that were flagged by our firmware scanner (integrated into Kaspersky products at the start of 2019).

Malware 129

Malware Firmware Phishing Cryptocurrency 129