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.

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Ransomware Encryption Passwords Malware 145

eSecurity Planet

OCTOBER 1, 2021

The National Security Agency (NSA) and the Cybersecurity and Infrastructure Security Agency (CISA) have released guidance and best practices for securing virtual private network (VPN) solutions. What might be most striking about the document is how many security steps and solutions it takes to properly secure VPN connections.

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VPN Authentication Passwords Software 110

Security Affairs

SEPTEMBER 22, 2021

The flaw, tracked as CVE-2021-40847, resides in the source of a third-party component included in the firmware of many Netgear devices. Security experts from consulting firm GRIMM have discovered a vulnerability in Small Offices/Home Offices (SOHO) Netgear routers that could be exploited by a remote attacker to execute arbitrary code as root.

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DNS Firmware VPN Risk 141

Security Boulevard

JUNE 19, 2024

Many DNS resolvers - such as your internet service provider's (ISP) - do not encrypt queries and may log data and metadata surrounding your queries. Fortunately, using an encrypted DNS server provider can be a viable option for some users out there. TABLE OF CONTENTS DNS and your privacy What data is sent to DNS Servers?

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DNS Encryption Firmware Internet 69

Malwarebytes

OCTOBER 19, 2022

DeadBolt is a ransomware that specializes in encrypting online network attached storage (NAS) devices. As a countermeasure, QNAP pushed out an automatic, forced, update with firmware containing the latest security updates to protect against the attackers' DeadBolt ransomware, which annoyed part of its userbase.

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Ransomware Firmware VPN Cybercrime 98

Security Boulevard

MARCH 3, 2025

The UK will neither confirm nor deny that its killing encryption The Verge This is not US-related, but certainly important enough to follow as it may have ramifications in the US in the form of setting precedent. An update (version 1.75) on iOS introduces Smart Proxy and Kill Switch for Brave's VPN service.

Surveillance 52

Surveillance Data breaches Firmware Encryption 52

Malwarebytes

MAY 13, 2021

If you have to use public WiFi hotspots, it’s wise to also use a VPN to keep your activity private while you use that connection. A VPN wraps your network traffic (including web browsing, email, and other things) in a protective tunnel and makes up for any weaknesses in their encryption.

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Wireless VPN Internet Internet 114

Security Affairs

MARCH 19, 2022

The AvosLocker ransomware-as-a-service emerged in the threat landscape in September 2021, since January the group expanded its targets by implementing the support for encrypting Linux systems, specifically VMware ESXi servers. Install updates/patch operating systems, software, and firmware as soon as updates/patches are released.

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Ransomware DDOS Passwords Backups 119

Security Affairs

JULY 8, 2022

“Once the attacker successfully logs in to a device, they encrypt data in shared folders and leave a ransom note with the file name “!CHECKMATE_DECRYPTION_README” ” The ransomware appends the.checkmate extension to the filenames of encrypted files, it drops a ransom note named !CHECKMATE_DECRYPTION_README

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Ransomware Encryption Passwords Internet 109

Security Affairs

SEPTEMBER 6, 2022

today detected the security threat DEADBOLT leveraging exploitation of Photo Station vulnerability to encrypt QNAP NAS that are directly connected to the Internet. We recommend users to make use of the myQNAPcloud Link feature provided by QNAP, or enable the VPN service. Once encrypted the content of the device, the ransomware appends.

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Ransomware Internet Internet Encryption 105

Approachable Cyber Threats

JANUARY 17, 2023

A publicly available network may not always have the latest firmware, patch updates on its hardware, or have proper encryption enabled; therefore, if you connect to the network you may be exposing yourself to potential risks. Most likely, it is free and faster than using the data from our phone plan. What are the potential risks?”

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Encryption Internet Internet VPN 98

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. Install updates/patch operating systems, software, and firmware as soon as they are released.

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Ransomware Passwords Backups Firmware 119

eSecurity Planet

MAY 28, 2021

Ransomware: Encryption, Exfiltration, and Extortion. Ransomware perpetrators of the past presented a problem of availability through encryption. Detect Focus on encryption Assume exfiltration. From BIOS and firmware to UEFI code, VBOS is an attack vector that requires more attention. Old way New way. Current Target: VBOS.

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Software DNS Firmware VPN 120

Malwarebytes

MARCH 17, 2021

PYSA, aka Mespinoza, is a malware capable of exfiltrating data and encrypting users’ critical files and data stored on their systems. All encrypted files in Windows and Linux, the two platforms this ransomware primarily targets, will have the.pysa suffix. Consider installing and using a VPN.

Education 111

Education Ransomware Phishing Passwords 111

Security Affairs

OCTOBER 22, 2022

The Daixin Team group gains initial access to victims through virtual private network (VPN) servers. In one successful attack, the attackers likely exploited an unpatched vulnerability in the organization’s VPN server. In another compromise, the group leveraged on compromised credentials to access a legacy VPN server.

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Ransomware VPN Cybercrime Accountability 80

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 124

Healthcare Ransomware Encryption Passwords 124

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.

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Ransomware Healthcare Phishing Risk 142

Security Boulevard

MARCH 15, 2022

The ransomware group specified that “they are not looking for data” but rather to buy remote VPN access to the corporate network. Code signing certificates assign a digital signature on executable software and firmware to allow them and mark them as trusted. But first things first.

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Ransomware Telecommunications Firmware Media 128

Security Affairs

MARCH 23, 2021

The types of vulnerabilities affecting the devices are Inadequate Encryption Strength, Session Fixation, Exposure of Sensitive Information to an Unauthorized Actor, Improper Input Validation, Unrestricted Upload of File with Dangerous Type, Insecure Default Variable Initialization, Use of Hard-coded Credentials. ” continues the alert.

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Firmware VPN Firewall Risk 102

Security Affairs

OCTOBER 20, 2018

CVE-2018-18472 – XXE and Unauthenticated Remote Command Execution in Axentra Hipserv NAS firmware. . It’s used in different devices from different vendors, the affected devices sharing the firmware are: Netgear Stora. The company provides a firmware with a web interface that mainly uses PHP as a serverside language.

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Firmware IoT VPN Authentication 94

SiteLock

AUGUST 27, 2021

To help avoid these online risks, it is highly recommended to use a Virtual Private Network (VPN). VPNs are the baseline cybersecurity tool to safeguard internet-enabled devices and a home network. A VPN provides a secure internet connection, ensuring your browsing data is encrypted for maximum privacy and security.

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IoT Spyware VPN 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.

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Wireless Encryption Authentication IoT 98

SecureWorld News

OCTOBER 8, 2023

Use the administrator account only for maintenance, software installation, or firmware updates. Attention should be paid to protecting routers and updating their firmware. While OS updates are now commonly practiced, router firmware updates remain an overlooked aspect. Opt for strong, hard-to-crack passwords.

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Firmware IoT Accountability Passwords 110

Security Affairs

OCTOBER 13, 2020

As an example, we could use communications between systems that are not properly encrypted. Improper encryption. Hackers or other malicious sources can intercept poorly encrypted communications on the web. IoT devices on public Wi-Fi and encrypted networks are especially vulnerable to this type of attack. Vicious insider.

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IoT Cybersecurity Manufacturing Internet 142

Adam Levin

FEBRUARY 10, 2020

When your phone or computer alerts you to an available software or firmware update, pay attention and do what you’re asked to do immediately (as opposed to clicking “Remind me later”) because many of these patches are security-related. Update Everything. Prepare for a Snowstorm.

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Passwords Phishing Password Management Accountability 245

eSecurity Planet

JANUARY 22, 2024

The problem: The Unified Extensible Firmware Interface (UEFI) specification has an open-source network implementation, EDK II, with nine discovered vulnerabilities. Affected keys included some encryption keys and the GitHub commit signing key. The authenticated user must also be logged into an account on an instance of GHES.

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Authentication Malware VPN Mobile 115

Pen Test Partners

MARCH 30, 2025

Mitigations include using complex passwords, isolating IPMI on restricted networks, and regularly updating firmware despite infrequent patches. So, the BMC must store a clear-text version of all configured user passwords somewhere in non-volatile storage but, with Supermicro, the location changes between the different firmware versions.

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Passwords Firmware Authentication Media 72

eSecurity Planet

MAY 19, 2022

With Aruba, clients can also bundle SD-WAN coverage with the company’s security solutions for virtual private network ( VPN ), network access control ( NAC ), and unified threat management ( UTM ). EdgeConnect Enterprise critically comes with firewall , segmentation , and application control capabilities. Features: Cisco SD-WAN.

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Firewall Architecture Encryption Network Security 121

SecureList

JUNE 3, 2024

The attackers were able to bypass this hardware-based security protection using another hardware feature of Apple-designed SoCs (System on a Chip): they did this by writing the data, destination address and data hash to unknown hardware registers of the chip that are not used by the firmware.

Banking 116

Banking Malware Computers and Electronics Mobile 116

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. hard drive, storage device, the cloud).

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Government Passwords Accountability Firmware 103

eSecurity Planet

MARCH 22, 2023

Virtual Private Network (VPN) : For remote access, remote desktop protocol (RDP) no longer can be considered safe. Instead, organizations should use a virtual private network (VPN) solution. Sensitive Device Access Encryption: As companies grow and become more professional, encryption should be used to protect at least key resources.

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Firewall Network Security Penetration Testing Encryption 110

Digital Shadows

JANUARY 14, 2025

To gain access to internal networks, Akira targeted local accounts with disabled multifactor authentication (MFA) and SonicOS firmware versions vulnerable to exploitation, often exposed to the internet for virtual private network (VPN) access.

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Ransomware Social Engineering Phishing VPN 126

Malwarebytes

MARCH 10, 2022

Observed since: September 2019 Ransomware note: Restore-My-Files.txt Ransomware extension: lockbit Kill Chain: Brute force attack on a web server containing an outdated VPN service > LockBit Sample hash: 9feed0c7fa8c1d32390e1c168051267df61f11b048ec62aa5b8e66f60e8083af. LockBit 2.0.

Ransomware 83

Ransomware Phishing Accountability Technology 83

Thales Cloud Protection & Licensing

APRIL 20, 2021

Even fewer (19%) told Proofpoint that they had updated their Wi-Fi router’s firmware. Meanwhile, Verizon found in its MSI 2021 that less than half (47%) of respondents with a VPN installed on their devices activated it. Encryption. Encryption Key Management. Data security. Tokenization. Key management.

Mobile 71

Mobile Architecture Data breaches Authentication 71

Kali Linux

NOVEMBER 27, 2022

In Secure Kali Pi (2022) , the first blog post in the Raspberry Pi series, we set up a Raspberry Pi 4 with full disk encryption. author: Broadcom Corporation firmware: brcm/brcmfmac*-sdio.*.bin bin firmware: brcm/brcmfmac*-sdio.*.txt We mentioned that we can leave it somewhere as a drop box. wireless LAN fullmac driver.

Firmware 52

Firmware Wireless Passwords VPN 52

eSecurity Planet

MARCH 16, 2023

VPN Vulnerabilities Although VPNs create a private tunnel for organizations’ network communications, they can still be breached. One particular vulnerability is third-party VPN access, where businesses give partners or contractors access to their applications using a VPN.

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Network Security Firewall Internet Internet 110

SecureList

SEPTEMBER 21, 2023

Brute-force attacks on services that use SSH, a more advanced protocol that encrypts traffic, can yield similar outcomes. User files were encrypted, with the device’s interface displaying a ransom note demanding payment of 0.03 They can be made to serve as routers (proxies or VPN servers) to anonymize illicit traffic.

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IoT DDOS Passwords Malware 135