Schneier on Security

FEBRUARY 25, 2020

DNS-over-HTTPS, or DoH, encrypts the request so that it can't be intercepted or hijacked in order to send a user to a malicious site. [.]. Last year, an internet industry group branded Mozilla an "internet villain" for pressing ahead the security feature. But the move is not without controversy.

DNS 278

DNS Internet Internet Encryption 278

Schneier on Security

APRIL 2, 2024

Anyone in possession of a predetermined encryption key could stash any code of their choice in an SSH login certificate, upload it, and execute it on the backdoored device. In theory, the code could allow for just about anything, including stealing encryption keys or installing malware. It was an incredibly complex backdoor.

Social Engineering 353

Social Engineering Engineering Software Encryption 353

Krebs on Security

JUNE 7, 2021

In the process of doing so, I encountered a small snag: The FSB’s website said in order to communicate with them securely, I needed to download and install an encryption and virtual private networking (VPN) appliance that is flagged by at least 20 antivirus products as malware. The FSB headquarters at Lubyanka Square, Moscow.

Antivirus 329

Antivirus VPN Encryption Malware 329

The Last Watchdog

JUNE 2, 2021

They outlined why something called attribute-based encryption, or ABE, has emerged as the basis for a new form of agile cryptography that we will need in order to kick digital transformation into high gear. PKI is the authentication and encryption framework on which the Internet is built. Attribute-based access.

Encryption 176

Encryption Artificial Intelligence IoT Data collection 176

Krebs on Security

JUNE 8, 2023

But experts say that is exactly what transpired this week with Barracuda Networks , as the company struggled to combat a sprawling malware threat which appears to have undermined its email security appliances in such a fundamental way that they can no longer be safely updated with software fixes. Campbell, Calif. They don’t need it.

Firmware 339

Firmware Malware Software Ransomware 339

Webroot

MAY 31, 2024

What is Internet Safety Month? Each June, the online safety community observes Internet Safety Month as a time to reflect on our digital habits and ensure we’re taking the best precautions to stay safe online. Regularly scan your devices for malware and avoid clicking on suspicious links or downloading unknown files.

Internet 124

Internet Internet Identity Theft Passwords 124

Security Affairs

APRIL 17, 2025

Upon opening the reports, the infection process starts leading to the deployment of malware on the victims system. Rolling XOR Key: Utilized for encrypting communications with the command-and-control (C2) server, with key sizes varying among variants. ” concludes the report.

Encryption 113

Encryption Government Malware Hacking 113

Joseph Steinberg

MARCH 15, 2021

During the discussion, a colleague in the field mentioned that ideally people should lock their Wi-Fi networks not only with proper encryption, but also with a MAC address filter that allows only specific authorized devices to connect to the network. Keep in mind that: 1. MAC address filtering is a pain to manage.

Wireless 360

Wireless Artificial Intelligence Encryption Passwords 360

Security Affairs

MARCH 10, 2025

Kaspersky researchers discovered a mass malware campaign spreading SilentCryptoMiner by disguising it as a tool to bypass internet restrictions. While investigating the increased use of Windows Packet Divert ( WPD ) tools by crooks to distribute malware under this pretense, the researchers spotted the campaign.

Cryptocurrency 91

Cryptocurrency Malware Social Engineering Antivirus 91

Joseph Steinberg

MARCH 14, 2022

Workloads (and portions thereof) regularly move across not only the internal organization, but over the Internet, and through one or more third-party cloud environments; there simply is no physical perimeter. Today, however, cloud computing has totally transformed the situation.

Cybersecurity 363

Cybersecurity Artificial Intelligence Encryption Technology 363

SecureList

APRIL 18, 2022

Kaspersky experts have found a vulnerability in the Yanluowang encryption algorithm and created a free decryptor to help victims of this ransomware with recovering their files. This is necessary to make files used by other programs available for encryption. The encryption code for big files. Yanluowang description.

Encryption 145

Encryption Ransomware Backups VPN 145

SecureList

APRIL 18, 2022

Kaspersky experts have found a vulnerability in the Yanluowang encryption algorithm and created a free decryptor to help victims of this ransomware with recovering their files. This is necessary to make files used by other programs available for encryption. The encryption code for big files. Yanluowang description.

Encryption 145

Encryption Ransomware Backups VPN 145

Krebs on Security

JANUARY 27, 2021

NetWalker is a ransomware-as-a-service crimeware product in which affiliates rent access to the continuously updated malware code in exchange for a percentage of any funds extorted from victims. million last summer in exchange for a digital key needed to unlock files encrypted by the ransomware. Powershell build.

Ransomware 335

Ransomware Cybercrime Antivirus Encryption 335

Security Affairs

DECEMBER 26, 2024

The experts pointed out that this Mirai variant has been modified to use improved encryption algorithms. The new Mirai malware variant also targetsthe TP-Link flaw CVE-2023-1389 and the vulnerability CVE-2018-17532 affecting Teltonika RUT9XX routers. TheMiraivariant incorporates ChaCha20 and XOR decryption algorithms. in newer ones.

Manufacturing 88

Manufacturing Malware Firmware IoT 88

Security Affairs

SEPTEMBER 9, 2022

Iran-linked APT group DEV-0270 (aka Nemesis Kitten) is abusing the BitLocker Windows feature to encrypt victims’ devices. Microsoft Security Threat Intelligence researchers reported that Iran-linked APT group DEV-0270 ( Nemesis Kitten ) has been abusing the BitLocker Windows feature to encrypt victims’ devices.

Encryption 141

Encryption Internet Internet Firewall 141

Malwarebytes

DECEMBER 2, 2024

.” How to protect your small business from ransomware As is true with all malware infections, the best defense to a ransomware attack is to never allow an attack to occur in the first place. Patch known vulnerabilities in internet-facing software and disable or harden the login credentials for remote work tools like RDP ports and VPNs.

Ransomware 121

Ransomware Backups Small Business Malware 121

Security Affairs

OCTOBER 13, 2024

The Mexican Drug Cartels Want You Casio: Notice of Partial Service Outage and Information Leak Caused by Ransomware Attack He founded a “startup” to access sanctioned Russian websites: the cyber police of Khmelnytskyi region exposed the hacker Hacked ‘AI Girlfriend’ Data Shows Prompts Describing Child Sexual Abuse Malware Over 300,000!

Data breaches 115

Data breaches Cryptocurrency Cybercrime Artificial Intelligence 115

Krebs on Security

AUGUST 19, 2021

Apparently now that includes emailing employees directly and asking them to unleash the malware inside their employer’s network in exchange for a percentage of any ransom amount paid by the victim company. Image: Abnormal Security. billion in 2020. Image: FBI. For example, the Lockbit 2.0

Ransomware 363

Ransomware Social Engineering Cybercrime Scams 363

Malwarebytes

JANUARY 2, 2024

The decryptor works for victims whose files were encrypted between November 2022 and December 2023. The decryptor, called Black Basta Buster, exploits a flaw in the encryption algorithm used in older versions of the Black Basta group’s ransomware. ” Files can be recovered if the plaintext of 64 encrypted bytes is known.

Encryption 120

Encryption Ransomware Backups Malware 120

SecureList

NOVEMBER 29, 2024

This type of cyberextortion predated Trojans, which encrypt the victim’s files. Kaspersky solutions worldwide detected this type of malware on 297,485 unique user devices. This malware also possessed the capability to install a backdoor on compromised systems. Reveton was among the most notorious PC screen lockers.

Mobile 106

Mobile Adware Ransomware Malware 106

SecureWorld News

FEBRUARY 20, 2025

Ghost ransomware actors, identified as operating from China, have been targeting unpatched systems and stolen credentials to infiltrate networks, encrypt data, and demand ransom payments. Report ransomware incidents to the FBI Internet Crime Complaint Center (IC3) , CISA, or MS-ISAC. Develop and test ransomware response plans.

Ransomware 113

Ransomware IoT Encryption Social Engineering 113

Krebs on Security

JUNE 2, 2020

Over the past 24 hours, the crooks responsible for spreading the ransom malware “REvil” (a.k.a. ” The FBI and multiple security firms have advised victims not to pay any ransom demands, as doing so just encourages the attackers and in any case may not result in actually regaining access to encrypted files.

Ransomware 343

Ransomware Backups Encryption Internet 343

Krebs on Security

MARCH 28, 2021

New data suggests someone has compromised more than 21,000 Microsoft Exchange Server email systems worldwide and infected them with malware that invokes both KrebsOnSecurity and Yours Truly by name. Let’s just get this out of the way right now: It wasn’t me. krebsonsecurity[.]top top (NOT a safe domain, hence the hobbling).

Hacking 363

Hacking Cybercrime DNS Internet 363

Security Affairs

APRIL 13, 2025

The company founded in 2001 offers prepaid and postpaid mobile plans, data bundles and internet services, fiber broadband, roaming and international calling, SIM-only plans and device deals. Unlike other extortion group, the gang doesnt encrypt data, but focuses on data theft to speed up its activity. Victims include AMD and Keralty.

Data breaches 126

Data breaches Unstructured Data Identity Theft Healthcare 126

The Last Watchdog

DECEMBER 18, 2024

Quantum computing advances are making traditional encryption obsolete, and adversaries are stockpiling data for future decryption. FIPS-203 enables legal PQC deployment, prompting CISOs to overhaul encryption strategies. While fully agentic AI malware remains years away, the industry must prepare now.

Risk 173

Risk Threat Detection Technology Phishing 173

Security Affairs

NOVEMBER 19, 2024

Ptitsyn reportedly sold the ransomware on darknet forums under aliases like “derxan” and “zimmermanx,” enabling other criminals to encrypt data and demand ransom. Ptitsyn and his conspirators used a ransomware-as-a-service (RaaS) model to distribute their malware to a network of affiliates.

Cybercrime 114

Cybercrime Ransomware Healthcare Education 114

Security Affairs

MAY 31, 2024

Between October 25 and October 27, 2023, the Chalubo malware destroyed more than 600,000 small office/home office (SOHO) routers belonging to the same ISP. Chalubo (ChaCha-Lua-bot) is a Linux malware that was first spotted in late August 2018 by Sophos Labs while targeting IoT devices. ” reads the analysis published by Lumen.

Malware 124

Malware Internet Internet Firmware 124

Security Affairs

DECEMBER 29, 2023

Ukraine’s CERT (CERT-UA) warned of a new phishing campaign by the APT28 group to deploy previously undocumented malware strains. The group employed previously undetected malware such as OCEANMAP, MASEPIE, and STEELHOOK to steal sensitive information from target networks. file classified as MASEPIE.

Phishing 140

Phishing Malware Computers and Electronics Internet 140

Krebs on Security

DECEMBER 8, 2022

The first centers on targeting healthcare organizations that offer consultations over the Internet and sending them booby-trapped medical records for the “patient.” First spotted in mid-August 2022 , Venus is known for hacking into victims’ publicly-exposed Remote Desktop services to encrypt Windows devices.

Healthcare 322

Healthcare Backups Ransomware Insurance 322

Krebs on Security

SEPTEMBER 20, 2021

In a bid to minimize these scenarios, a growing number of major companies are adopting “ Security.txt ,” a proposed new Internet standard that helps organizations describe their vulnerability disclosure practices and preferences. An example of a security.txt file. Image: Securitytxt.org. well-known/security.txt.

Retail 349

Retail Healthcare Internet Internet 349

eSecurity Planet

APRIL 8, 2025

Called Xanthorox AI, the tool was first spotted earlier this year on darknet forums and encrypted chat groups, where its being marketed as the killer of WormGPT and all EvilGPT variants. These tools allow hackers to plan and launch fully automated attacks, including phishing campaigns , ransomware drops, and malware development.

Social Engineering 109

Social Engineering Phishing Engineering Education 109

Security Affairs

MAY 20, 2024

Researchers discovered a sophisticated cybercriminal campaign by Russian-speaking threat actors that used GitHub to distribute malware. The campaign shows how attackers exploit trusted internet services to carry out cyberattacks that steal personal information. This tactic allows them to avoid detection.

Malware 123

Malware Banking Advertising Software 123

Krebs on Security

JANUARY 13, 2020

military and to other high-value customers/targets that manage key Internet infrastructure, and that those organizations have been asked to sign agreements preventing them from disclosing details of the flaw prior to Jan. Sources tell KrebsOnSecurity that Microsoft Corp. 14, the first Patch Tuesday of 2020. .”

Internet 276

Internet Internet Software Media 276

Security Affairs

MARCH 11, 2024

The financially motivated hacking group Magnet Goblin uses various 1-day flaws to deploy custom malware on Windows and Linux systems. The group focuses on internet-facing services, in at least one instance the group exploited the vulnerability CVE-2024-21887 in Ivanti Connect Secure VPN. 4 Run a Linux command in a separate thread.

Malware 132

Malware VPN Encryption Hacking 132

IT Security Guru

MARCH 26, 2025

Verified Identity, access permission controls, data encryption are all challenges for the cybersecurity industry in a world of autonomous machines! Thankfully, save for more rigor, some advanced data authenticity approaches and monitoring for malware injection, our tried and tested data-centric security and data privacy best practices apply.

Cybersecurity 116

Cybersecurity Encryption Threat Detection Authentication 116

Krebs on Security

FEBRUARY 4, 2019

But several more recent malware spam campaigns suggest GoDaddy’s fix hasn’t gone far enough, and that scammers likely still have a sizable arsenal of hijacked GoDaddy domains at their disposal. 1 to allow the sending of email from Internet addresses tied to two ISPs identified in my original Jan. 31 and Feb.

DNS 271

DNS Ransomware Accountability Internet 271

Krebs on Security

MAY 13, 2024

This post examines the activities of Khoroshev’s many alter egos on the cybercrime forums, and tracks the career of a gifted malware author who has written and sold malicious code for the past 14 years. This user said they specialize in developing malware, creating computer worms, and crafting new ways to hijack Web browsers.

Ransomware 297

Ransomware Cybercrime Accountability Malware 297