The Last Watchdog

DECEMBER 31, 2019

Related: Good to know about IoT Physical security is often a second thought when it comes to information security. Despite this, physical security must be implemented correctly to prevent attackers from gaining physical access and taking whatever they desire.

Cyber Risk 173

Cyber Risk Risk Firewall Surveillance 173

Krebs on Security

OCTOBER 28, 2020

In March 2020, KrebsOnSecurity alerted Swedish security giant Gunnebo Group that hackers had broken into its network and sold the access to a criminal group which specializes in deploying ransomware. “The harsh and unfortunate reality is the security of a number of security companies is s**t,” Arena said.

Hacking 361

Hacking Ransomware Banking Accountability 361

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. ” Follow me on Twitter: @securityaffairs and Facebook.

Encryption 111

Encryption Malware Media Authentication 111

The Last Watchdog

JUNE 21, 2020

The epidemic went truly mainstream with the release of CryptoLocker back in 2013, and it has since transformed into a major dark web economy spawning the likes of Sodinokibi, Ryuk, and Maze lineages that are targeting the enterprise on a huge scale in 2020. File encryption 2013 – 2015. pharma giant ExecuPharm.

Ransomware 243

Ransomware Hacking Encryption Penetration Testing 243

Krebs on Security

MARCH 1, 2022

Shouting “Glory for Ukraine,” the Contileaks account has since published additional Conti employee conversations from June 22, 2020 to Nov. 22, 2020, the U.S. Plus, he somehow encrypted the config, i.e. he had an encoder and a private key, plus uploaded it all to the admin panel. On Sunday, Feb. 428 hospitals.”

Ransomware 305

Ransomware Healthcare Cybercrime Government 305

Security Affairs

SEPTEMBER 19, 2022

The TeamTNT botnet is a crypto-mining malware operation that has been active since April 2020 and targets Docker installs. The activity of the TeamTNT group has been detailed by security firm Trend Micro, but in August 2020 experts from Cado Security discovered that botnet is also able to target misconfigured Kubernetes installations.

Encryption 98

Encryption Cybercrime Hacking Malware 98

Security Affairs

SEPTEMBER 28, 2020

A new ransomware gang named Mount Locker has started its operations stealing victims’ data before encrypting. Like other ransomware operators, Mount Locker started targeting corporate networks, it has been active since the end of July 2020. to the filenames of the encrypted files. ” reported BleepingComputer.

Ransomware 144

Ransomware Encryption Advertising Engineering 144

Security Affairs

MAY 12, 2021

.” Summarizing, the design flaws discovered by the expert are: CVE-2020-24588 : aggregation attack (accepting non-SPP A-MSDU frames). CVE-2020-24587 : mixed key attack (reassembling fragments encrypted under different keys). CVE-2020-26140 : Accepting plaintext data frames in a protected network.

Hacking 143

Hacking Encryption Authentication Internet 143

Security Affairs

MAY 16, 2021

The chipmaker AMD published guidance for two new attacks against its SEV ( Secure Encrypted Virtualization ) protection technology. Customers using prior generations of EPYC processors, which do not support SEV-SNP, should follow security best practices.

Encryption 142

Encryption Technology Hacking Information Security 142

Security Affairs

JANUARY 12, 2021

Darkside ransomware first appeared in the threat landscape in August 2020, its operators were distributing it using a ransomware-as-a-service business model. Darkside ransomware first appeared in the threat landscape in August 2020, its operators were distributing it using a ransomware-as-a-service business model. Pierluigi Paganini.

Ransomware 144

Ransomware Encryption Hacking Information Security 144

Security Affairs

MARCH 24, 2021

Black Kingdom ransomware was first spotted in late February 2020 by security researcher GrujaRS , the ransomware encrypts files and appends the.DEMON extension to filenames of the encrypted documents. It does indeed encrypt files. pic.twitter.com/POYlPYGjsz — MalwareTech (@MalwareTechBlog) March 21, 2021.

Ransomware 145

Ransomware Encryption VPN Malware 145

Security Affairs

APRIL 29, 2023

xyz pic.twitter.com/VLhISark8Y — Goldwave (@OGoldwave) March 13, 2023 The variant employed in the campaign supports a more sophisticated encryption method of byte remapping and a monthly rotation of the C2 server. #ViperSoftX is back, doesn't look like much has changed. c2 arrowlchat[.]com ” concludes the report.

Encryption 98

Encryption Malware Cryptocurrency Software 98

Security Affairs

DECEMBER 18, 2020

Cyberpunk 2077 is a 2020 action role-playing video game developed and published by CD Projekt, it was one of the most. RC4 algorithm with hardcoded key (in this example – "21983453453435435738912738921") is used for encryption. link] — Tatyana Shishkova (@sh1shk0va) December 17, 2020. "CyberPunk2077.sfx.exe"

Mobile 145

Mobile Ransomware Encryption Malware 145

Security Affairs

NOVEMBER 13, 2020

Schneider Electric released security advisories for multiple vulnerabilities impacting various products, including four issues that can be exploited by attackers to take control of Modicon M221 programmable logic controllers (PLCs). This data is encrypted using a 4-byte XOR key, which is a weak encryption method.”

Encryption 138

Encryption Passwords Authentication Software 138

Krebs on Security

APRIL 20, 2023

Mandiant concluded that the 3CX attack was orchestrated by the North Korean state-sponsored hacking group known as Lazarus , a determination that was independently reached earlier by researchers at Kaspersky Lab and Elastic Security. Microsoft Corp.

Malware 322

Malware Software Technology Accountability 322

Security Affairs

APRIL 3, 2021

The Avaddon ransomware operators updated their malware after security researchers released a public decryptor in February 2021. The Avaddon ransomware family first appeared in the threat landscape in February 2020, and its authors started offering it with a Ransomware-as-a-Service (RaaS) model in June, 2020.

Ransomware 140

Ransomware Encryption Malware Cybercrime 140

Security Affairs

JULY 8, 2020

Good news for the victims of the ThiefQuest (EvilQuest) ransomware, they can recover their encrypted files for free. The victims of the ThiefQuest (EvilQuest) ransomware victims can recover their encrypted files without needing to pay the ransom due to the availability of a free decryptor. macOS ransomware #decryptor ( #EvilQuest )! |

Ransomware 143

Ransomware Encryption Malware InfoSec 143

Security Affairs

AUGUST 21, 2020

The University of Utah admitted to have paid a $457,059 ransom in order to avoid having ransomware operators leak student information online. ” According to the University, the ransomware encrypted only 0.02% of the data stored on its servers. .” ” reads a press release published by the University.

Ransomware 145

Ransomware Cyber Insurance Insurance Advertising 145

The Last Watchdog

MARCH 21, 2022

As just one measure, the number of data breaches in the first nine months of 2021 exceeded all those in 2020, a new record. You almost certainly need a chief information security officer (CISO). The solution is data encryption, which uses mathematical algorithms to scramble data, replacing plaintext with ciphertext.

Encryption 214

Encryption Data privacy Cloud Migration Risk 214

Security Affairs

NOVEMBER 23, 2020

FBI is warning private industry partners of a surge in Ragnar Locker ransomware activity following a confirmed attack from April 2020. Federal Bureau of Investigation (FBI) issued a flash alert (MU-000140-MW) to warn private industry partners of an increase of the Ragnar Locker ransomware activity following a confirmed attack from April 2020.

Ransomware 145

Ransomware Encryption VPN Backups 145

Security Affairs

NOVEMBER 28, 2020

The Conti ransomware gang hit infected the systems of industrial automation and Industrial IoT (IIoT) chip maker Advantech and is demanding over $13 million ransom (roughly 750 BTC) to avoid leaking stolen files and to provide a key to restore the encrypted files. billion in 2019. Pierluigi Paganini. SecurityAffairs – hacking, Advantech).

Ransomware 145

Ransomware Encryption IoT Malware 145

Security Affairs

OCTOBER 5, 2020

The botnet uses the WSS (WebSocket over TLS) protocol for C2 communication to circumvent the typical Mirai traffic detection and provide secure encrypted communication for command and control. “Two zero days, 12 remote access functions for the router, encrypted traffic protocol, and infrastructure IP that that moves around. .”

IoT 145

IoT Firmware Advertising DNS 145

Security Affairs

NOVEMBER 26, 2020

discloses a ransomware attack that took place in September 2020. revealed that a ransomware attack hit its systems in September 2020. “On September 14, 2020, USF experienced an IT security event [.] “On September 14, 2020, USF experienced an IT security event [.]

Ransomware 145

Ransomware Data breaches Encryption Malware 145

Krebs on Security

OCTOBER 8, 2020

There’s an old adage in information security: “Every company gets penetration tested, whether or not they pay someone for the pleasure.” ” Many organizations that do hire professionals to test their network security posture unfortunately tend to focus on fixing vulnerabilities hackers could use to break in.

Cybercrime 338

Cybercrime VPN Malware Ransomware 338

Security Affairs

FEBRUARY 12, 2024

Cybersecurity researchers from Kookmin University and the Korea Internet and Security Agency (KISA) discovered an implementation vulnerability in the source code of the Rhysida ransomware. Rhysida ransomware employed a secure random number generator to generate the encryption key and subsequently encrypt the data.

Ransomware 137

Ransomware Encryption VPN Manufacturing 137

Security Affairs

APRIL 21, 2024

The Akira ransomware operators implement a double extortion model by exfiltrating victims’ data before encrypting it. Earlier versions of the ransomware were written in C++ and the malware added the.akira extension to the encrypted files. The attackers mostly used Cisco vulnerabilities CVE-2020-3259 and CVE-2023-20269.

Ransomware 143

Ransomware Encryption Antivirus VPN 143

Security Affairs

JANUARY 17, 2022

SFile ransomware (aka Escal), has been active since 2020 , it was observed targeting only Windows systems. Some variants of the ransomware append the English name of the target company to the filenames of the encrypted files. “The SFile ransomware uses the Mbed TLS library, RSA-2048 and AES-256 algorithms for file encryption.

Ransomware 145

Ransomware Encryption Backups Malware 145

Security Affairs

OCTOBER 14, 2020

Andy Nguyen, a Google security researcher, has found Bluetooth vulnerabilities, referred to as BleedingTooth, in the Linux kernel that could be exploited by attackers to run arbitrary code or access sensitive information. The BleedingTooth flaws are tracked as CVE-2020-12351, CVE-2020-12352, and CVE-2020-24490.

Advertising 145

Advertising Encryption Hacking Risk 145

Security Affairs

MAY 4, 2021

This is not the first time that experts disclose vulnerabilities in EXIM software, in May 2020 the U.S. Experts announced they will not publish that exploits for now.

Hacking 138

Hacking Software Engineering Encryption 138

Security Affairs

OCTOBER 11, 2020

Tyler Technologies has finally decided to paid a ransom to obtain a decryption key and recover files encrypted in a recent ransomware attack. In June 2020, the same ransomware was employed in an attack on the Texas Department of Transportation , in September it infected the systems at the IPG Photonics high-performance laser developer.

Technology 145

Technology Ransomware Encryption Advertising 145

Security Affairs

MARCH 4, 2021

Group-IB published a report titled “Ransomware Uncovered 2020-2021 ”. analyzes ransomware landscape in 2020 and TTPs of major threat actors. Group-IB , a global threat hunting and adversary-centric cyber intelligence company, has presented its new report “Ransomware Uncovered 2020-2021 ”. The gold rush of 2020.

Ransomware 140

Ransomware Cybercrime Malware Marketing 140

Security Affairs

JULY 31, 2020

One of the most security issues is a critical authentication bypass vulnerability, tracked as CVE-2020-3382. “The vulnerability exists because different installations share a static encryption key. . “The vulnerability exists because different installations share a static encryption key.

Authentication 133

Authentication Advertising Software Encryption 133

Security Affairs

MARCH 16, 2020

“Upon further examination, we determined that the unauthorised user appeared to have initially gained access on 9 February 2020, and could have gained access to a database in which we store user data.” ” @troyhunt pic.twitter.com/HfAwV7gtVq — Sylvia van Os (@SylvieLorxu) March 12, 2020. .”

Data breaches 138

Data breaches Passwords Advertising Accountability 138

Security Affairs

JANUARY 30, 2021

The availability of the master decryption key allows the victims to recover their encrypted files for free. Experts who tested the decryption tool confirmed that it works and allows to recover encrypted files for free. Unfortunately, at the time of writing the RAR archive is not available.

Ransomware 144

Ransomware Encryption Malware Cybercrime 144

Security Affairs

JUNE 15, 2021

In October 2019, security experts at Emsisoft have developed a tool to decrypt files encrypted by the Paradise ransomware. The ransomware family encrypts files using Salsa20 and RSA-1024 and it appends several extensions to their filenames. The Paradise gang was very active until 2020, then its operations drastically dropped.

Ransomware 144

Ransomware Hacking Encryption Malware 144

Security Affairs

MARCH 26, 2021

Accenture security researchers published an analysis of the latest Hades campaign, which is ongoing since at least December 2020. . Then the malware perform a scan in local directories and network shares for content to encrypt. The copy is then deleted and an executable is unpacked in memory. ” concludes the report.

Ransomware 145

Ransomware Encryption Malware VPN 145

Security Affairs

MAY 27, 2020

pic.twitter.com/Q3BMs7fSvx — Microsoft Security Intelligence (@MsftSecIntel) May 27, 2020. Learn how to build organizational security hygiene to prevent human-operated attacks: [link] — Microsoft Security Intelligence (@MsftSecIntel) May 27, 2020. The ransom note contains the payment instructions.

Ransomware 136

Ransomware Security Intelligence Encryption Advertising 136