eSecurity Planet

OCTOBER 6, 2021

The malware encrypts files and spreads to the entire system to maximize damage, which forces companies to lock down the whole network to stop the propagation. Encryption is the Key. Encryption is used everywhere. Encrypting is neither hashing nor obfuscating files. What Happens During Ransomware Encryption?

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Security Affairs

JULY 6, 2022

Hive ransomware operators have improved their file-encrypting module by migrating to Rust language and adopting a more sophisticated encryption method. The most important change in the latest Hive variant is the encryption mechanism it adopts. ” reads the post published by Microsoft. ” continues Microsoft. .

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Security Affairs

NOVEMBER 13, 2021

Threat actors are distributing the GravityRAT remote access trojan masqueraded as an end-to-end encrypted chat application named SoSafe Chat. Threat actors are distributing the GravityRAT RAT masqueraded as an end-to-end encrypted chat application named SoSafe Chat. in) used by the attackers. Pierluigi Paganini.

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Security Affairs

DECEMBER 23, 2021

Running the systems into safe mode will allow the malware to encrypt victims’ files without any interference because endpoint security products do not run in Safe Mode. Normally, third-party software would be disabled on a computer running in Safe Mode, but ransomware operators aim at maintaining access to the compromised systems.

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Security Affairs

DECEMBER 27, 2023

Xamalicious relies on social engineering to gain accessibility privileges, then it connects to C2 to evaluate whether or not to download a second-stage payload. The second stage payload uses the powerful accessibility services granted during the first stage to take full control of the infected device. ” concludes the report.

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IT Governance

JULY 5, 2021

Access control policies are an unquestionably important part of ISO 27001. 9 covers and what your access control should include. 9 of ISO 27001 helps you govern who has access to your organisation’s sensitive information and under what scenarios. What does an ISO 27001 access control policy cover? User access management.

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Security Affairs

MAY 25, 2020

Ransomware encrypts from virtual machines to evade antivirus. Ragnar Locker deploys Windows XP virtual machines to encrypt victim’s files, the trick allows to evaded detection from security software. The virtual machine mounts the shared path as a network drive from the VBOXSVR virtual computer to access their content.

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Encryption Ransomware Energy and Utilities File names 89

Krebs on Security

NOVEMBER 17, 2022

He’d been on the job less than six months, and because of the way his predecessor architected things, the company’s data backups also were encrypted by Zeppelin. “We’ve found someone who can crack the encryption.” Then came the unlikely call from an FBI agent. “Don’t pay,” the agent said.

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Security Affairs

MARCH 3, 2024

A new Linux variant of the remote access trojan (RAT) BIFROSE (aka Bifrost) uses a deceptive domain mimicking VMware. ” reads the analysis published by Unit 42. ” The sample binary analyzed by the experts is compiled for x86, the authors removed debugging information and symbol tables to hinder analysis. .”

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The Last Watchdog

FEBRUARY 20, 2024

This widespread integration enhances accessibility and user engagement, allowing businesses to provide seamless interactions across various platforms. Health care relies on it for intelligent symptom analysis and health information dissemination. Customer support experiences a boost with its ability to understand complex queries.

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Security Affairs

FEBRUARY 16, 2021

The experts discovered multiple flaws affecting the way secret chat functionality is implemented and Telegram was handling animated stickers , An attacker could have exploited the flaw by sending malformed stickers to unsuspecting users and gain access to messages, photos, and videos that were exchanged through both classic and secret chats.

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Security Affairs

JANUARY 1, 2024

An attacker can use the exploit to access Google services, even after a user’s password reset. The encrypted tokens are decrypted using an encryption key stored in Chrome’s Local State within the UserData directory, similar to the encryption used for storing passwords.” ” continues the report.

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eSecurity Planet

DECEMBER 19, 2023

Security Misconfigurations Inadequately designed security settings, such as open ports, lax access restrictions, or misconfigured firewall rules, might expose infrastructure vulnerabilities. Escaping these boundaries could potentially allow unauthorized access to sensitive data and compromise the security of the entire infrastructure.

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Data Matters

FEBRUARY 21, 2018

After supporters and opponents of mandated government access to encrypted communications publicly feuded for much of 2016, reprising arguments they’ve had since at least the days of the “Clipper Chip,” these “encryption debates” seemed to quiet down for much of last year. See, e.g., here.) device locking, secure messaging, etc.);

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eSecurity Planet

APRIL 12, 2024

Conduct content analysis to improve safety measures. Sample data leakage monitoring dashboard from Tenable Limit Data Access To reduce the danger of unauthorized access and breaches, this technique adheres to the principle of least privilege, providing individuals access to only the information they need.

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Schneier on Security

MAY 7, 2018

Last month, Wired published a long article about Ray Ozzie and his supposed new scheme for adding a backdoor in encrypted devices. The public key goes into the processor and the device, and is used to encrypt whatever user key encrypts the data. It's a weird article. Writing in Lawfare, Alan Z.

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Encryption Privacy Access Security 62

Thales Cloud Protection & Licensing

APRIL 10, 2024

A comprehensive understanding of your cardholder data environment (CDE) is crucial for later risk analysis and targeted control implementation. Enhanced Access Security : Update your password policies to align with stronger standards. Risk Assessment Reevaluation : PCI DSS 4.0 stresses targeted, risk-based controls. is its flexibility.

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Compliance Encryption Risk Cybersecurity 71

Security Affairs

APRIL 1, 2024

Vultur uses ngrok to provide remote access to the VNC server running on the device. The banking Trojan leverages Accessibility Services to determine what application is in the foreground. ” reads the analysis published by NCC group. It uses AES encryption and Base64 encoding for C2 communications to evade detection.

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Security Affairs

DECEMBER 14, 2021

The attackers exploited the Log4Shell remote code execution vulnerability to download a.NET binary from a remote server that encrypts the files on the target machine and adds the extension.khonsari to each file. NOT MODIFY OR DELETE THIS FILE OR ANY ENCRYPTED FILES. NOT MODIFY OR DELETE THIS FILE OR ANY ENCRYPTED FILES.

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eSecurity Planet

JANUARY 5, 2024

Strong encryption protects data securely from unauthorized access, but the specific algorithms that qualify as strong encryption change over time as computing power increases and researchers develop new ways to break encryption. What Makes an Encryption Algorithm Strong?

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Schneier on Security

JULY 26, 2023

In order to then access the cryptographic component of the radio itself, Wetzels said the team found a vulnerability in an interface of the radio. […] Most interestingly is the researchers’ findings of what they describe as the backdoor in TEA1. Details of the security analysis. It’s just not a good idea.

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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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Security Affairs

JANUARY 17, 2022

Some variants of the ransomware append the English name of the target company to the filenames of the encrypted files. ” reads the analysis published by Rising.AFR-6fyvilv #Sfile #Ransomware New Sample: 6E029B9B0A600CDC1E75A4F7228B332B pic.twitter.com/tB27dM8tjd — dnwls0719 (@fbgwls245) January 9, 2022. as the suffix name.

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IT Governance

AUGUST 17, 2018

In this blog, we’ll consider situational analysis, how to assess what’s happening in the school and how to support staff to protect the data in their care. Situational analysis – understand what’s happening now. The reality of how staff access, share and protect information has a bigger impact on this than simply updating policies.

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Security Affairs

APRIL 27, 2023

The encryptor uses a combination of ECDH on Curve25519 (asymmetric encryption) and Chacha20 (symmetric encryption) to encrypt files. The researchers discovered that the samples contain a self-delete mechanism which is invoked once the victim’s device is encrypted. Its initial access vector remains unknown.

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Encryption Ransomware Education Access 83

Security Affairs

OCTOBER 19, 2021

The analysis of the ransomware revealed that it was developed to avoid infecting systems that primarily use Russian or related languages. Unlike other ransomware that may have a unique key in each session, BlackByte uses the same raw key to encrypt files and it uses the symmetric-key algorithm AES. states the analysis.

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eSecurity Planet

NOVEMBER 10, 2023

Since a majority of business IT traffic now accesses or passes through the internet, DNS plays an increasingly important — and vulnerable — role. To help clarify DNSSEC, we will explore both the DNSSEC features and benefits and compare it against DNS Security, DNS Crypt, and Encrypted DNS.

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Security Affairs

JUNE 13, 2023

Zacks is the leading investment research firm focusing on stock research, analysis, and recommendations. The company attempted to downplay the security breach by telling Have I Been Pwned that threat actors only had access to encrypted passwords.

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Security Affairs

OCTOBER 19, 2022

Ransom Cartel gang seems to have had access to earlier versions of REvil ransomware source code, but not some of the most recent developments. Both groups relied on initial access brokers to acquire access to compromise networks and deploy their ransomware. ” reads the report published by Unit42. . ” . .

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Security Affairs

SEPTEMBER 19, 2023

Researchers from Trend Micro, while monitoring the activity of the China-linked threat actor Earth Lusca , discovered an encrypted file hosted on a server under the control of the group. Additional analysis led to the discovery of a previously unknown Linux backdoor tracked as SprySOCKS. ” continues the report.

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Security Affairs

JULY 15, 2022

RedAlert is human-operated ransomware, the ransomware uses NTRUEncrypt public key encryption algorithm for encryption. crypt[Random number] ” extension to the filenames of encrypted files. lilith” extension to the filenames of encrypted files. ” reads the analysis published by Cyble. log), swap files(.vswp),

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Security Affairs

NOVEMBER 5, 2021

Talos researchers warn of a new threat actor that is hacking Microsoft Exchange servers by exploiting ProxyShell flaws to gain access to corporate and deploy the Babuk Ransomware. The ransomware module encrypts the files in the victim’s server and appends a file extension.babyk to the encrypted files.”

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Security Affairs

MAY 9, 2021

CISA has published an analysis of the FiveHands ransomware, the same malware that was analyzed a few days ago by researchers from FireEye’s Mandiant experts. Cybersecurity and Infrastructure Security Agency (CISA) has published an analysis of the FiveHands ransomware that was recently detailed by FireEye’s Mandiant.

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Security Affairs

OCTOBER 19, 2021

This advisory provides information on tactics, techniques, and procedures (TTPs) associated with the ransomware gang that were obtained from the analysis of a sample of BlackMatter ransomware as well from trusted third-party reporting. BlackMatter then remotely encrypts the hosts and shared drives as they are found.

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Security Affairs

SEPTEMBER 26, 2023

By solving these issues, data lineage ensures that the data used for analysis and decision-making is accurate and trustworthy. Data Encryption: Data lineage helps identify data at rest and in transit, allowing organizations to encrypt data as needed to protect it from unauthorized access.

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Compliance Encryption Access Cybersecurity 93

Security Affairs

NOVEMBER 13, 2020

Four encryption and authentication issues in Modicon M221 PLCs were reported by Trustwave, three of which have been independently found by the security firm Claroty. According to the analysis published by Claroty the flaw could be triggered by an attacker with a foothold on the OT network.

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Security Affairs

OCTOBER 16, 2023

” reads the analysis published by Microsoft. Microsoft Defender capabilities prevented breached accounts were being used to access endpoints and other resources in the network. ” concludes the report.

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