RSS ze světa hackingu

A full-time mass work from home (WFH) workforce was once considered an extreme risk scenario that few risk or security professionals even bothered to think about. Unfortunately, within a single day, businesses worldwide had to face such a reality. Their 3-year long digital transformation strategy was forced to become a 3-week sprint during which offices were abandoned, and people started working…

Researchers have demonstrated a novel class of attacks that could allow a bad actor to potentially circumvent existing countermeasures and break the integrity protection of digitally signed PDF documents. Called "Shadow attacks" by academics from Ruhr-University Bochum, the technique uses the "enormous flexibility provided by the PDF specification so that shadow documents remain…

Cybersecurity researchers on Monday tied a string of attacks targeting Accellion File Transfer Appliance (FTA) servers over the past two months to data theft and extortion campaign orchestrated by a cybercrime group called UNC2546. The attacks, which began in mid-December 2020, involved exploiting multiple zero-day vulnerabilities in the legacy FTA software to install a new web shell named…

An ever-evolving and rampant form of cybercrime that targets emails as the potential medium to conduct fraud is known as Business Email Compromise. Targeting commercial, government as well as non-profit organizations, BEC can lead to huge amounts of data loss, security breach, and compromised financial assets. It is a common misconception that cybercriminals usually lay their focus on MNCs and…

On August 13, 2016, a hacking unit calling itself "The Shadow Brokers" announced that it had stolen malware tools and exploits used by the Equation Group, a sophisticated threat actor believed to be affiliated to the Tailored Access Operations (TAO) unit of the U.S. National Security Agency (NSA). Although the group has since signed off following the unprecedented disclosures, new "conclusive"…

Days after the first malware targeting Apple M1 chips were discovered in the wild, researchers have disclosed yet another previously undetected piece of malicious software that has already infected 29,139 Macs running Intel x86_64 and the iPhone maker's M1 processors. However, the ultimate goal of the operation remains something of a conundrum, what with the lack of a next-stage or final payload…

Brave has fixed a privacy issue in its browser that sent queries for .onion domains to public internet DNS resolvers rather than routing them through Tor nodes, thus exposing users' visits to dark web websites. The bug was addressed in a hotfix release (V1.20.108) made available yesterday. Brave ships with a built-in feature called "Private Window with Tor" that integrates the Tor anonymity…

Cybersecurity researchers have disclosed a novel attack that could allow criminals to trick a point of sale terminal into transacting with a victim's Mastercard contactless card while believing it to be a Visa card. The research, published by a group of academics from the ETH Zurich, builds on a study detailed last September that delved into a PIN bypass attack, permitting bad actors to leverage…

A credential stealer infamous for targeting Windows systems has resurfaced in a new phishing campaign that aims to steal credentials from Microsoft Outlook, Google Chrome, and instant messenger apps. Primarily directed against users in Turkey, Latvia, and Italy starting mid-January, the attacks involve the use of MassLogger — a .NET-based malware with capabilities to hinder static analysis —…

Microsoft on Thursday said it concluded its probe into the SolarWinds hack, finding that the attackers stole some source code but confirmed there's no evidence that they abused its internal systems to target other companies or gained access to production services or customer data. The disclosure builds upon an earlier update on December 31, 2020, that uncovered a compromise of its own network to…