Hot for Security

MARCH 17, 2021

PYSA, also known as Mespinoza, is capable of exfiltrating and encrypting critical files and data, with the criminals specifically targeting higher education, K-12 schools and seminaries, the bureau warns. The notice also includes mitigation steps like: Regularly back up data, air gap and password-protect backup copies offline.

Education 111

Education Healthcare Government Ransomware 111

Security Affairs

APRIL 23, 2021

The malware moves all files stored on the device to password-protected 7zip archives and demand the payment of a $550 ransom. “The Multimedia Console, Media Streaming Add-on, and Hybrid Backup Sync apps need to be updated to the latest available version as well to further secure QNAP NAS from ransomware attacks.

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Ransomware Backups Media Malware 127

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 104

eSecurity Planet

JUNE 30, 2023

Backup and Restoration: Keep offline backups of data and execute backup and restore on a regular basis. Encrypt backup data to ensure the data infrastructure’s immutability and coverage. Password Policies: Enforce NIST password policy requirements, such as lengthier passwords and the use of password managers.

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Ransomware Backups Passwords Software 103

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

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Ransomware Encryption Firmware Backups 93

SecureWorld News

OCTOBER 8, 2023

Use the 3-2-1 backup rule. Even harmless details, such as pet names or birthplaces, can be used by hackers to reset passwords. Use the administrator account only for maintenance, software installation, or firmware updates. Opt for strong, hard-to-crack passwords. Consider using dedicated password manager apps.

Firmware 88

Firmware IoT Accountability Passwords 88

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.

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Wireless Encryption Authentication IoT 96

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. ” reads the alert.

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Ransomware VPN Cybercrime Accountability 74

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. Implement the shortest acceptable timeframe for password changes.

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Ransomware Antivirus Backups Passwords 98

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.

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Ransomware Accountability Firmware Antivirus 95

eSecurity Planet

OCTOBER 20, 2022

Its table illustration also goes into more detail and notes Google’s responsibility for hardware, boot, hardened kernel and interprocess communication (IPC), audit logging, network, and storage and encryption of data. Also read: Exfiltration Can Be Stopped With Data-in-Use Encryption, Company Says.

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Backups Firewall Encryption Software 128

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 109

Healthcare Ransomware Encryption Passwords 109

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. For those already infected, Ransomware Rollback can help recover encrypted files within 72 hours of the attack.

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Ransomware Firmware Accountability Technology 73

Kali Linux

AUGUST 1, 2022

This first post will cover enabling Full Disk Encryption (FDE) on a Raspberry Pi, part two will cover remotely connecting to it, and finally, part three will cover debugging issues we ran into while making these posts, so others can learn how to do so as well.

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Encryption Passwords Backups Firmware 52

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 125

Security Affairs

OCTOBER 13, 2020

Simple or reused passwords are still a problem. While the cybersecurity industry has presented options for every netizen, the recommendation to use original and complex passwords continues to be disregarded. Instead, people come up with passwords that are comfortable. Improper encryption. Poor credentials.

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IoT Cybersecurity Manufacturing Internet 134

SecureWorld News

AUGUST 8, 2022

ForrmBook is capable of key logging and capturing browser or email client passwords, but its developers continue to update the malware to exploit the latest Common Vulnerabilities and Exposures (CVS), such as CVE-2021-40444 Microsoft MSHTML Remote Code Execution Vulnerability. physically disconnected) backups of data. Enforce MFA.

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Malware Banking Penetration Testing Healthcare 88

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. Onyx is a new ransomware gang based on the old Chaos builder. Ransomware mitigations.

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Ransomware Encryption Accountability Technology 82

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 the shortest acceptable timeframe for password changes.

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Passwords Government Firmware Accountability 70

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. For those already infected, Ransomware Rollback can help recover encrypted files within 72 hours of the attack.

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Ransomware Phishing Accountability Technology 71

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. Regularly update router firmware to patch vulnerabilities and close potential avenues of attack.

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Malware Antivirus Software Passwords 118

Malwarebytes

APRIL 5, 2023

Most states require strong data privacy controls, which typically include encrypting any sensitive personal information of staff and students. Require all accounts with credentialed logins to comply with NIST standards for password policies. Keep all operating systems, software, and firmware up to date.

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Education Ransomware Cybersecurity Risk 62

eSecurity Planet

MARCH 22, 2023

Policies typically will be written documents that detail the requirements that will be enforced, such as password complexity. Minimum User Access Controls Active Directory: The smallest organizations might only worry about device access, otherwise known as the login credentials (username/password).

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Firewall Network Security Penetration Testing Encryption 105

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.

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IoT Firmware Mobile Manufacturing 52

eSecurity Planet

JULY 25, 2023

Phishing attacks: Deceptive techniques, such as fraudulent emails or websites, trick individuals into revealing sensitive information like credit card and payment information, passwords, or login credentials. This often causes significant disruptions and data loss to the company.

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Software Data breaches DDOS Ransomware 94

eSecurity Planet

FEBRUARY 16, 2021

Organizations can help prevent their computers from becoming part of a botnet by installing anti-malware software, using firewalls , keeping software up-to-date, and forcing users to use strong passwords. Always change the default passwords for any IoT devices you install before extended use. Examples of Botnet Malware Attacks.

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Malware Adware Spyware Antivirus 105

Thales Cloud Protection & Licensing

DECEMBER 12, 2019

Security best practices for encryption key storage, management and protection is critical to protecting valuable data wherever it is located, but implementing the security requirements needed by your organization as well as those of regulatory governing and audit bodies can be a challenge. The latest firmware version 7.3.3,

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Firmware Backups Encryption Authentication 96

eSecurity Planet

OCTOBER 21, 2022

For example, once it infects your device, a keylogger will start tracking every keystroke you make and sending a log of those keystrokes to the hacker, allowing them to reconstruct any sensitive information you might have entered after infection, such as your PIN, password, or social security number. Ransomware.

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Malware Adware Spyware Antivirus 74

SecureWorld News

OCTOBER 29, 2020

Both frameworks are very robust and are highly effective dual-purpose tools, allowing actors to dump clear text passwords or hash values from memory with the use of Mimikatz. Once dropped, Ryuk uses AES-256 to encrypt files and an RSA public key to encrypt the AES key.". The group also uses third-party tools, such as Bloodhound.

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Ransomware Healthcare Backups Cybercrime 65

eSecurity Planet

MARCH 23, 2022

The DazzleSpy backdoor software had interesting features to foil detection, including end-to-end encryption to avoid firewall inspection as well as a feature that cut off communication if a TLS-inspection proxy was detected. Use strong passwords. Deploy data encryption at rest and in transit. Vulnerability Exploitation.

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Firewall Malware Phishing Software 106

Malwarebytes

JULY 13, 2022

To penetrate and encrypt as many systems as possible, some threat groups have started writing ransomware code using cross-platform programming languages like Python, Rust, or Golang. Automatic data backups to offsite and/or segmented servers will be key in keeping businesses operational in case of breach.

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Ransomware Manufacturing Government Computers and Electronics 108

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. For those already infected, Ransomware Rollback can help recover encrypted files within 72 hours of the attack.

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Ransomware Accountability Technology Firmware 104

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

eSecurity Planet

MAY 2, 2024

Compromised Credentials Compromised identities from phishing, info stealers, keyloggers, and bad password habits provide the entry point for most ransomware attacks and data breaches. 583% increase in Kerberoasting [password hash cracking] attacks. 64% of managers and higher admit to poor password practices.

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Cybersecurity DDOS Penetration Testing Passwords 96

ForAllSecure

OCTOBER 29, 2020

There were PDFs of Election Day passwords that supervisors use to start in elections. Bee: Can you tell me what the password was? 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. Lamb: A four digit PIN.

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Hacking Mobile Software Technology 52

ForAllSecure

OCTOBER 29, 2020

There were PDFs of Election Day passwords that supervisors use to start in elections. Bee: Can you tell me what the password was? 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. Lamb: A four digit PIN.

Hacking 52

Hacking Mobile Software Technology 52

ForAllSecure

OCTOBER 20, 2020

There were PDFs of Election Day passwords that supervisors use to start in elections. Bee: Can you tell me what the password was? 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. Lamb: A four digit PIN.

Hacking 40

Hacking Mobile Software Technology 40