The Hacker News

FEBRUARY 11, 2023

Cybersecurity and Infrastructure Security Agency (CISA) released a decryptor for affected victims to recover from ESXiArgs ransomware attacks, the threat actors have bounced back with an updated version that encrypts more data.

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SecureList

JUNE 17, 2021

The ransomware is coded in Python and compiled to an executable using PyInstaller; it supports two encryption modes: one generated dynamically and one using a hardcoded key. Code analysis revealed an amateurish development cycle and a possibility to recover files encrypted with Black Kingdom with the help of the hardcoded key.

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Security Affairs

OCTOBER 13, 2023

The AvosLocker ransomware-as-a-service emerged in the threat landscape in September 2021, since January the group expanded its targets by implementing support for encrypting Linux systems, specifically VMware ESXi servers. This joint CSA updates the advisory published by the US Government on March 17, 2022.

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Quick Heal Antivirus

JULY 29, 2022

PowerShell was originally intended as a task automation and configuration management program for system administrators. However, it. The post PowerShell: An Attacker’s Paradise appeared first on Quick Heal Blog | Latest computer security news, tips, and advice.

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Schneier on Security

DECEMBER 19, 2019

OTA -- over-the-air updates) were stored in a publicly accessible AWS S3 bucket that also lacked TLS encryption (CVE-2019-16270, CVE-2019-16274). Arbitrary code execution: unauthenticated root shell access through Android Debug Bridge (ADB) leads to arbitrary code execution and system administration (CVE-2019-16273).

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Thales Cloud Protection & Licensing

MAY 17, 2023

Cybercriminals use it as a launching pad to block access to business-critical systems by encrypting data in files, databases, or entire computer systems, until the victim pays a ransom. Cybercriminals hold your data hostage by encrypting it, and threaten to destroy it or publish it, unless a large ransom is paid.

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The Last Watchdog

AUGUST 12, 2024

Its solution includes hardware encryption, software-based multi-factor authentication, and AI-driven anomaly detection within the storage itself, Hansen noted. For starters the ring is aimed at system administrators and senior executives, but could eventually go mainstream. Cigent provides security-enhanced SSDs and microSDs.

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Software Technology Mobile Cybersecurity 290

Malwarebytes

JUNE 21, 2022

PetitPotam is an example of an NTLM relay attack that prompted Microsoft to send out an advisory for system administrators to stop using the now deprecated Windows NT LAN Manager (NTLM) to thwart an attack. PetitPotam used the Microsoft Encrypting File System Remote Protocol (MS-EFSRPC) protocol to execute an NTLM attack.

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System Administration Authentication Passwords Advertising 145

SiteLock

AUGUST 27, 2021

The Diffie-Helman Exchange (DHE) allows two parties – a browser and server in our case – to exchange prime numbers in a secure manner which are then used to create a shared secret used to encrypt a session. Could HTTPS Encryption Be Compromised?

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SecureWorld News

AUGUST 14, 2024

The new standards , developed over an eight-year period, are designed to withstand attacks from future quantum computers, which could potentially break current encryption methods within a decade. NIST encourages system administrators to begin integrating these new standards immediately, recognizing that full implementation will take time.

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Security Affairs

APRIL 18, 2021

The Ukrainian national Fedir Hladyr (35), aka “das” or “AronaXus,” was sentenced to 10 years in prison for having served as a manager and systems administrator for the financially motivated group FIN7 , aka Carbanak. Hladyr also controlled the organization’s encrypted channels of communication.”

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Malwarebytes

JULY 29, 2021

The attack could force remote Windows systems to reveal password hashes that could then be easily cracked. Microsoft quickly sent out an advisory for system administrators to stop using the now deprecated Windows NT LAN Manager (NTLM) to thwart an attack. Vulnerable systems. PetitPotam.

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Thales Cloud Protection & Licensing

DECEMBER 3, 2019

In this post, we’ll elaborate on how organizations can finalize the best approach to implement data encryption at an organizational level in an agile and efficient way. In a nutshell, no matter it’s data-at-rest or data-in-motion , it should be encrypted regardless of its state. Ground Reality: The Problem of Plenty!

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Malwarebytes

AUGUST 23, 2021

This can only happen where organisations use the on-premise version of Exchange, and system administrators haven’t installed the April and May patches. PetitPotam uses the EfsRpcOpenFileRaw function of the Microsoft Encrypting File System Remote Protocol (MS-EFSRPC) API.

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Security Affairs

AUGUST 4, 2021

It guides system administrators and developers of National Security Systems on how to deploy Kubernetes with example configurations for the recommended hardening measures and mitigations. Use firewalls to limit unneeded network connectivity and encryption to protect confidentiality.

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Security Affairs

JANUARY 7, 2022

If the NAS is exposed to the Internet the dashboard will display the message “The System Administration service can be directly accessible from an external IP address via the following protocols: HTTP.”. Administrator of devices exposed to the Internet should: Disable the Port Forwarding function of the router.

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Hot for Security

MAY 26, 2021

Like most ransomware variants, Conti typically steals victims’ files and encrypts the servers and workstations in an effort to force a ransom payment from the victim,” the agency notes. The group is said to have infected more than 400 organizations worldwide, including more than 290 in the US.

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Krebs on Security

SEPTEMBER 30, 2023

The government says Snatch used a customized ransomware variant notable for rebooting Microsoft Windows devices into Safe Mode — enabling the ransomware to circumvent detection by antivirus or endpoint protection — and then encrypting files when few services are running. Details after contacting on jabber: truniger@xmpp[.]jp.”

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Ransomware Accountability Cybercrime Backups 257

Thales Cloud Protection & Licensing

OCTOBER 15, 2019

For more information on Thales’s data encryption technologies, please visit our website to learn about “Advanced Data-at-rest Encryption, Access Control and Data Access Audit Logging”. What is needed is the political will to give cities the resources necessary to obtain these tools. The post Can smart cities be secured and trusted?

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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.” The City experts believe that the group specifically targeted a prioritized list of servers using legitimate Microsoft system administrative tools. ” continues the report.

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Thales Cloud Protection & Licensing

JULY 23, 2019

For more information on Thales’s data encryption technologies, please visit our website to learn about “Advanced Data-at-rest Encryption, Access Control and Data Access Audit Logging.”. Because, depending on how widespread and long-lasting an effective disruption might be, it can cause real human pain and suffering.

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SecureList

OCTOBER 12, 2023

The loader starts its activities by loading an encrypted payload from another file that should be present in the same directory. The main differences are the location and the filename of the encrypted file: %CommonApplicationData%Localuser.key and the decryption scheme used to obtain the final payload. dev/collector/3.0/ dev/fam/mfe?

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Encryption Passwords Malware Firewall 144

Malwarebytes

AUGUST 27, 2021

Ransomware works by encrypting huge numbers of files on as many of an organization’s computers as possible. Performing this kind of strong encryption is resource intensive and can take a long time, so even if an organization doesn’t spot the malware used in an attack, its tools might notice that something is amiss.

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Security Affairs

MARCH 10, 2020

“They exhibit extensive knowledge of systems administration and common network security misconfigurations, perform thorough reconnaissance, and adapt to what they discover in a compromised network.” ” reads the post published by Microsoft.

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Malwarebytes

APRIL 20, 2021

Hladyr is the systems administrator for the FIN7 hacking group, and is considered the mastermind behind the Carbanak campaign , a series of cyberattacks said to stolen as much as $900 million from banks in early part of the last decade. Hladyr also controlled the organization’s encrypted channels of communication.

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System Administration Banking Malware Penetration Testing 97

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. How to Use the CISA Catalog.

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eSecurity Planet

FEBRUARY 26, 2024

The fix: System administrators are encouraged to install the Exchange Server 2019 Cumulative Update 14 (CU14), which was issued in February 2024 and enabled NTLM credentials Relay Protection. Despite VMware’s three-year-old deprecation statement, unprotected systems remain at risk. and iPadOS 17.3.

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Security Affairs

SEPTEMBER 3, 2019

A baseboard management controller (BMC) is a specialized service processor that monitors the physical state of a computer, network server or other hardware device using sensors and communicating with the system administrator through an independent connection.

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Hacking Firmware Media Authentication 110

Security Affairs

OCTOBER 28, 2018

The Center for Internet Security (CIS) has a reference that can help system administrators and security teams establish a benchmark to secure their Docker engine. For instance, restrict access to the daemon and encrypt the communication protocols it uses to connect to the network. Docker Trusted Registry ).

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Webroot

APRIL 2, 2024

Unlike Central Processing Units (CPUs) that process tasks sequentially, GPUs can perform thousands of operations simultaneously, drastically reducing the time required to crack passwords or encryption keys. This brute force capability poses a significant threat to systems protected by weak or commonly used passwords.

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eSecurity Planet

SEPTEMBER 10, 2021

Does the provider encrypt data while in transit and at rest? Specifically, these tools address a number of security requirements, including patch management , endpoint encryption, VPNs , and insider threat prevention among others. Encrypt data in motion and at rest. Encryption is a key part of any cloud security strategy.

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Security Affairs

NOVEMBER 21, 2019

.” The analysis of the bot revealed that it supports seven functions: reverse shell, self-uninstall, gather process’ network information, gather Bot information, execute system commands, run encrypted files specified in URLs, DDoS attack, etc.

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CyberSecurity Insiders

SEPTEMBER 24, 2021

Thus, it would be best if you secured all networks by incorporating firewalls and advanced encryption technology. Besides, you must hire an IT systems administrator who will be the go-to person for inquiries and questions about cybersecurity issues. . Implementing high-level encryptions will also keep your company data secure.

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eSecurity Planet

JUNE 21, 2022

It’s designed for incident handlers, incident handling team leads, system administrators, security practitioners, and security architects. The GCIH certification validates your ability to detect and resolve computer security incidents using a wide range of essential security skills.

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Cybersecurity Penetration Testing System Administration Cyber Attacks 121

Malwarebytes

MARCH 15, 2022

This creates a “chain of trust” between a signature on a piece of software and a CA—like DigiCert or Let’s Encrypt—that operating systems trust. Signing certificates are considered trustworthy because they are cryptographically signed by a Certificate Authority (CA). An expired certificate (the valid to date is 2014).

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Spinone

FEBRUARY 5, 2020

Can Ransomware Encrypt Backups? Short answer: yes, there’s a chance your backup will be encrypted together with the source data. Ransomware can get into the system and encrypt your data, including data stored in the Google/Microsoft cloud. When the important data pieces are identified, the encryption begins.

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Malwarebytes

NOVEMBER 1, 2021

To better understand the nuts and bolts of a ransomware attack, we spoke to Ski Kacaroski, a systems administrator who, in 2019, helped pulled his school district out of a ransomware nightmare that encrypted crucial data, locked up vital systems, and even threatened employee pay.

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