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. bat) scripts [T1059.003] for lateral movement, privilege escalation, and disabling antivirus software.

Ransomware 133

Ransomware System Administration Antivirus Malware 133

Krebs on Security

MAY 13, 2024

Pin was active on Opensc around March 2012, and authored 13 posts that mostly concerned data encryption issues, or how to fix bugs in code. 2011 said he was a system administrator and C++ coder. “Cryptolockers made a lot of noise in the press, but lazy system administrators don’t make backups after that.

Ransomware 314

Ransomware Cybercrime Accountability Malware 314

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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Ransomware Encryption Authentication System Administration 127

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.

Ransomware 144

Ransomware Encryption VPN System Administration 144

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 294

eSecurity Planet

MARCH 25, 2022

Still, in the wrong hands, RDP attacks and vulnerabilities related to remote desktop software are a severe threat. Recent years presented a torrent of research showing how vulnerable RDP systems are for organizations not taking additional cybersecurity precautions. Also read : Best Internet Security Suites & Software.

VPN 120

VPN Software Authentication Encryption 120

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.

Healthcare 111

Healthcare Ransomware System Administration DNS 111

Krebs on Security

JULY 25, 2023

Spur tracks SocksEscort as a malware-based proxy offering, which means the machines doing the proxying of traffic for SocksEscort customers have been infected with malicious software that turns them into a traffic relay. Usually, these users have no idea their systems are compromised. SocksEscort began in 2009 as “ super-socks[.]com

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Malware VPN Internet Internet 244

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.

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Ransomware Encryption Backups Accountability 128

Malwarebytes

MARCH 15, 2022

A code signing certificate is used to authenticate the identity of a software developer or publisher, and it provides cryptographic assurance that a signed piece of software has not been altered or tampered with. Code signing is used by Windows and macOS to ensure that users only run software from trusted sources.

Malware 132

Malware Software System Administration Ransomware 132

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.

Cybersecurity 90

Cybersecurity Data breaches Backups Firewall 90

eSecurity Planet

SEPTEMBER 16, 2024

Notable events last week include the RAMBO attack, command injection problems in Progress Software’s LoadMaster, and several zero-day vulnerabilities in Microsoft products that may cause privilege escalation and RCE. The tool can transmit files, keystrokes, and encryption keys, providing a significant danger of data theft.

Software 108

Software Malware System Administration Encryption 108

eSecurity Planet

SEPTEMBER 10, 2021

The diagram below, for example, shows that application-level controls are Microsoft’s responsibility with software as a service (SaaS) models, but it is the customer’s responsibility in IaaS deployments. Does the provider encrypt data while in transit and at rest? Encrypt data in motion and at rest.

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Penetration Testing Encryption Risk Technology 132

Security Affairs

SEPTEMBER 23, 2023

. “During the surveillance period, Royal performed several actions to inject command and control software and established command-and-control beacons. The command-and-control beacons allowed Royal to prepare the City’s network resources for the May 03, 2023, ransomware encryption attack.” ” continues the report.

Ransomware 135

Ransomware Surveillance Healthcare Accountability 135

Spinone

FEBRUARY 5, 2020

Antivirus software and firewalls are just the first line of defense, which is far from being 100% effective against ransomware. Can Ransomware Encrypt Backups? Short answer: yes, there’s a chance your backup will be encrypted together with the source data. But there is a problem. Ransomware can infect backups.

Backups 86

Backups Ransomware Encryption Software 86

eSecurity Planet

FEBRUARY 26, 2024

Urgent patching and prompt updates can protect systems from unauthorized access, data breaches, and potential exploitation by threat actors. To secure sensitive data, cybersecurity specialists, software vendors, and end users should encourage collaborative efforts against malicious activities. and iPadOS 17.3.

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Risk Authentication System Administration Ransomware 113

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.

Ransomware 125

Ransomware System Administration Encryption Cybercrime 125

eSecurity Planet

JULY 6, 2021

Managed service providers (MSPs) have long relied on third-party software to manage clients’ IT infrastructure, but a massive ransomware attack launched over the weekend at customers of Kaseya will likely cause MSPs to take a harder look at the security of their IT suppliers. Establishing Standards for Secure Systems.

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Ransomware Software B2B System Administration 122

Security Affairs

OCTOBER 28, 2018

script deploys a Monero miner and also a port scanning software, which will scan for other vulnerable Docker Engine installs. 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. Run the script (auto.sh).

Engineering 110

Engineering Cryptocurrency System Administration Advertising 110

SecureWorld News

APRIL 21, 2022

CISA breaks down the tactics, techniques, and procedures (TTPs) used by the gang: "Intrusions begin with a large number of spearphishing messages sent to employees of cryptocurrency companies—often working in system administration or software development/IT operations (DevOps)—on a variety of communication platforms.

Cryptocurrency 98

Cryptocurrency Computers and Electronics Social Engineering System Administration 98

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.

System Administration 96

System Administration Banking Malware Penetration Testing 96

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. is used as a loader.

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Encryption Passwords Malware Firewall 141

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

eSecurity Planet

JUNE 21, 2022

It’s designed for incident handlers, incident handling team leads, system administrators, security practitioners, and security architects. A four-year college degree or regional equivalent, or an additional (ISC)2 credential from an approved list, satisfies one year of the required experience.

Cybersecurity 120

Cybersecurity Penetration Testing System Administration Cyber Attacks 120

Security Affairs

MARCH 14, 2023

Their operations are based on the human operator ransomware practice where most of the intrusion is handled by hands-on keyboard criminals, even in the encryption stage. Technical Details Makop ransomware operator arsenal is a hybrid one: it contains both cust-developed tools and off-the-shelf software taken from public repositories.

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Ransomware Software Encryption System Administration 98

Security Affairs

MARCH 27, 2023

The Originating Malvertising Campaign According to CTI investigation on the adversary infrastructure, we were able to identify an ongoing campaign luring system administrators to install the malicious code into their machines. Bots “public-key” and “private-key” are randomly generated at process startup time.

Malware 98

Malware Social Engineering Encryption Marketing 98

Malwarebytes

JULY 12, 2023

Why out-of-office attacks work Ransomware works by encrypting huge numbers of files on as many of an organization's computers as possible. You never think you're gonna be hit by ransomware," said Ski Kacoroski , a system administrator with the Northshore School District in Washington state, speaking on Malwarebytes' Lock & Code podcast.

Ransomware 87

Ransomware System Administration Encryption Media 87

Thales Cloud Protection & Licensing

JANUARY 23, 2018

Multi-tenancy is an architecture in which a single instance of software serves multiple customers, or tenants. This can be realized with a commitment to protecting data-at-rest; adequately isolating security; authenticating, authorizing and differentiating access to the data; and enforcing it with encryption.

Cloud Migration 81

Cloud Migration System Administration Architecture Firewall 81

SecureList

OCTOBER 17, 2022

As a matter of fact, the Yuna.Downloader code changes quite a bit over time, including with JSON parsing, logging, and encryption capabilities. Each such packet is a XOR-encrypted JSON object that contains the following information: Username of the logged-in user. Available privileges (SYSTEM, administrator or normal user).

Malware 135

Malware Encryption Social Engineering System Administration 135

Security Affairs

APRIL 1, 2019

Figure 2: The C2 software for Linux DDoS. But let’s see what are the execution binaries and what an administrator will see because this analysis IS for rise the system administration awareness: Code execution: execve("/tmp/upgrade""); // to execute upgrade. This C2 scheme is new , along with the installer / updater.

DDOS 110

DDOS Malware Encryption Penetration Testing 110

CyberSecurity Insiders

SEPTEMBER 21, 2021

Modern organizations rely heavily on software and systems. Secure coding standards are significant, as they give some assurance that software installed on the organization’s system is protected from security flaws. When the user inputs data, software must encode it before output. Input validation.

Authentication 79

Authentication Passwords Software Accountability 79

SecureList

OCTOBER 20, 2021

However, since the software update period was (and still is) quite long, users often updated their devices with a delay, therefore leaving a window during which cybercriminals could infect quite a few victims. Browsers, on the other hand, reported what versions of software and plugins they have automatically.

Cybercrime 145

Cybercrime Banking Malware Ransomware 145

Herjavec Group

OCTOBER 30, 2020

Ask your school system administrators to provide you their written cybersecurity policies and procedures concerning proposed remote learning capabilities. Ask your school system administrators to provide a copy of their incident response policies and plans. So, what to do?

Education 52

Education System Administration Wireless Firewall 52

eSecurity Planet

MAY 19, 2022

As the modern workforce becomes increasingly mobile and enterprises branch out and grow, software-defined wide area networks ( SD-WAN ) have become a popular choice in the evolution of networking. Traditional Networks vs Software-Define Networks (SDN). Also read : Best Business Continuity Software. Encrypting Data in Transit.

Firewall 57

Firewall Architecture Software Backups 57

Spinone

AUGUST 5, 2020

So let’s take a look at this position, skills it requires, and software that can help IT directors. IT Director Roles and Responsibilities The IT director has in-depth technical knowledge to help the company manage its systems efficiently. A director often needs to decide if a certain software pays off.

Backups 52

Backups Software System Administration Risk 52

SecureList

MARCH 12, 2024

During one of the projects, an SQL injection into an application that was open to signup by any internet user let us obtain the credentials of an internal system administrator. Secrets used for authentication (encryption keys, signatures and so on) should be unique and have a high degree of entropy.

Passwords 140

Passwords Authentication Architecture Risk 140

Security Boulevard

APRIL 17, 2023

How will this impact SSL certificates that are used for AS2 Signing/Encryption payload certificates that cannot be automated? However, the burden of system administrators carrying this out five or six times a year should not be underestimated. There will be enormous impact to communication protocol software.

Software 49

Software Encryption System Administration CISO 49