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À partir d’avant-hierThe Hacker News

Reddit Suffers Security Breach Exposing Internal Documents and Source Code

Popular social news aggregation platform Reddit has disclosed that it was the victim of a security incident that enabled unidentified threat actors to gain unauthorized access to internal documents, code, and some unspecified business systems. The company blamed it on a "sophisticated and highly-targeted phishing attack" that took place on February 5, 2023, aimed at its employees. The attack

U.K. and U.S. Sanction 7 Russians for TrickBot, Ryuk, and Conti Ransomware Attacks

In a first-of-its-kind coordinated action, the U.K. and U.S. governments on Thursday levied sanctions against seven Russian nationals for their affiliation to the TrickBot, Ryuk, and Conti cybercrime operation. The individuals designated under sanctions are Vitaly Kovalev (aka Alex Konor, Bentley, or Bergen), Maksim Mikhailov (aka Baget), Valentin Karyagin (aka Globus), Mikhail Iskritskiy (aka

3 Overlooked Cybersecurity Breaches

Here are three of the worst breaches, attacker tactics and techniques of 2022, and the security controls that can provide effective, enterprise security protection for them. #1: 2 RaaS Attacks in 13 Months Ransomware as a service is a type of attack in which the ransomware software and infrastructure are leased out to the attackers. These ransomware services can be purchased on the dark web from

North Korean Hackers Targeting Healthcare with Ransomware to Fund its Operations

State-backed hackers from North Korea are conducting ransomware attacks against healthcare and critical infrastructure facilities to fund illicit activities, U.S. and South Korean cybersecurity and intelligence agencies warned in a joint advisory. The attacks, which demand cryptocurrency ransoms in exchange for recovering access to encrypted files, are designed to support North Korea's

Researchers Uncover Obfuscated Malicious Code in PyPI Python Packages

Four different rogue packages in the Python Package Index (PyPI) have been found to carry out a number of malicious actions, including dropping malware, deleting the netstat utility, and manipulating the SSH authorized_keys file. The packages in question are aptx, bingchilling2, httops, and tkint3rs, all of which were collectively downloaded about 450 times before they were taken down. While

CISA Warns of Active Attacks Exploiting Fortra MFT, TerraMaster NAS, and Intel Driver Flaws

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added three flaws to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active abuse in the wild. Included among the three is CVE-2022-24990, a bug affecting TerraMaster network-attached storage (TNAS) devices that could lead to unauthenticated remote code execution with the highest privileges. Details

Enigma, Vector, and TgToxic: The New Threats to Cryptocurrency Users

Suspected Russian threat actors have been targeting Eastern European users in the crypto industry with fake job opportunities as bait to install information-stealing malware on compromised hosts. The attackers "use several highly obfuscated and under-development custom loaders in order to infect those involved in the cryptocurrency industry with Enigma stealer," Trend Micro researchers Aliakbar

New ESXiArgs Ransomware Variant Emerges After CISA Releases Decryptor Tool

After the U.S. Cybersecurity and Infrastructure Security Agency (CISA) released a decryptor for affected victims to recover from ESXiArgs ransomware attacks, the threat actors have bounced back with an updated version that encrypts more data. The emergence of the new variant was reported by a system administrator on an online forum, where another participant stated that files larger than 128MB

Hackers Targeting U.S. and German Firms Monitor Victims' Desktops with Screenshotter

A previously unknown threat actor has been targeting companies in the U.S. and Germany with bespoke malware designed to steal confidential information. Enterprise security company Proofpoint, which is tracking the activity cluster under the name Screentime, said the group, dubbed TA866, is likely financially motivated. "TA866 is an organized actor able to perform well thought-out attacks at

Chinese Tonto Team Hackers' Second Attempt to Target Cybersecurity Firm Group-IB Fails

The advanced persistent threat (APT) actor known as Tonto Team carried out an unsuccessful attack on cybersecurity company Group-IB in June 2022. The Singapore-headquartered firm said that it detected and blocked malicious phishing emails originating from the group targeting its employees. It's also the second attack aimed at Group-IB, the first of which took place in March 2021. Tonto Team,

Honeypot-Factory: The Use of Deception in ICS/OT Environments

The recently published Security Navigator report of Orange Cyberdefense shows there has been a  rapid increase of attacks on industrial control systems (ICS) in the past few years. Looking a bit closer, most of the attacks seem to have spilt over from traditional IT. That's to be expected, as production systems are commonly connected to ordinary corporate networks at this point. Though the data

Hackers Create Malicious Dota 2 Game Modes to Secretly Access Players' Systems

An unknown threat actor created malicious game modes for the Dota 2 multiplayer online battle arena (MOBA) video game that could have been exploited to establish backdoor access to players' systems. The modes exploited a high-severity flaw in the V8 JavaScript engine tracked as CVE-2021-38003 (CVSS score: 8.8), which was exploited as a zero-day and addressed by Google in October 2021. "Since V8

Patch Now: Apple's iOS, iPadOS, macOS, and Safari Under Attack with New Zero-Day Flaw

Apple on Monday rolled out security updates for iOS, iPadOS, macOS, and Safari to address a zero-day flaw that it said has been actively exploited in the wild. Tracked as CVE-2023-23529, the issue relates to a type confusion bug in the WebKit browser engine that could be activated when processing maliciously crafted web content, culminating in arbitrary code execution. The iPhone maker said the

Massive HTTP DDoS Attack Hits Record High of 71 Million Requests/Second

Web infrastructure company Cloudflare on Monday disclosed that it thwarted a record-breaking distributed denial-of-service (DDoS) attack that peaked at over 71 million requests per second (RPS). "The majority of attacks peaked in the ballpark of 50-70 million requests per second (RPS) with the largest exceeding 71 million," the company said, calling it a "hyper-volumetric" DDoS attack. It's also

Chinese Hackers Targeting South American Diplomatic Entities with ShadowPad

Microsoft on Monday attributed a China-based cyber espionage actor to a set of attacks targeting diplomatic entities in South America. The tech giant's Security Intelligence team is tracking the cluster under the emerging moniker DEV-0147, describing the activity as an "expansion of the group's data exfiltration operations that traditionally targeted government agencies and think tanks in Asia

A CISOs Practical Guide to Storage and Backup Ransomware Resiliency

One thing is clear. The "business value" of data continues to grow, making it an organization's primary piece of intellectual property. From a cyber risk perspective, attacks on data are the most prominent threat to organizations.  Regulators, cyber insurance firms, and auditors are paying much closer attention to the integrity, resilience, and recoverability of organization data – as well as

Python Developers Beware: Clipper Malware Found in 450+ PyPI Packages!

Malicious actors have published more than 451 unique Python packages on the official Python Package Index (PyPI) repository in an attempt to infect developer systems with clipper malware. Software supply chain security company Phylum, which spotted the libraries, said the ongoing activity is a follow-up to a campaign that was initially disclosed in November 2022. The initial vector entails using

Massive AdSense Fraud Campaign Uncovered - 10,000+ WordPress Sites Infected

The threat actors behind the black hat redirect malware campaign have scaled up their campaign to use more than 70 bogus domains mimicking URL shorteners and infect over 10,800 websites. "The main objective is still ad fraud by artificially increasing traffic to pages which contain the AdSense ID which contain Google ads for revenue generation," Sucuri researcher Ben Martin said in a report

Update Now: Microsoft Releases Patches for 3 Actively Exploited Windows Vulnerabilities

Microsoft on Tuesday released security updates to address 75 flaws spanning its product portfolio, three of which have come under active exploitation in the wild. The updates are in addition to 22 flaws the Windows maker patched in its Chromium-based Edge browser over the past month. Of the 75 vulnerabilities, nine are rated Critical and 66 are rated Important in severity. 37 out of 75 bugs are