RSS ze světa hackingu

Cases of document-based malware are steadily rising. 59 percent of all malicious files detected in the first quarter of 2019 were contained in documents. Due to how work is done in today's offices and workplaces, companies are among those commonly affected by file-based attacks. Since small to medium businesses (SMBs) usually lack the kind of security that protects their larger counterparts,…

An ex-Yahoo! employee has pleaded guilty to misusing his access at the company to hack into the accounts of nearly 6,000 Yahoo users in search of private and personal records, primarily sexually explicit images and videos. According to an press note released by the U.S. Justice Department, Reyes Daniel Ruiz, a 34-year-old resident of California and former Yahoo software engineer, admitted…

Looking for ways to unlock and read the content of an encrypted PDF without knowing the password? Well, that's now possible, sort of—thanks to a novel set of attacking techniques that could allow attackers to access the entire content of a password-protected or encrypted PDF file, but under some specific circumstances. Dubbed PDFex, the new set of techniques includes two classes of attacks…

If you have an account with the Comodo discussion board and support forums, also known as ITarian Forum, you should change your password immediately. Cybersecurity company Comodo has become one of the major victims of a recently disclosed vBulletin 0-day vulnerability, exposing login account information of over nearly 245,000 users registered with the Comodo Forums websites. In a brief…

The infamous eGobbler hacking group that surfaced online earlier this year with massive malvertising campaigns has now been caught running a new campaign exploiting two browser vulnerabilities to show intrusive pop-up ads and forcefully redirect users to malicious websites. To be noted, hackers haven't found any way to run ads for free; instead, the modus operandi of eGobbler attackers…

The greatest threat facing most nations is no longer a standing army. It's a hacker with a computer who can launch a crippling cyber attack from thousands of miles away—potentially taking down everything from server farms to entire power grids with a few lines of code. So it should come as no surprise that virtually every major company in both the public and private sector—as well as national…

A critical security vulnerability has been discovered and fixed in the popular open-source Exim email server software, which could allow a remote attacker to simply crash or potentially execute malicious code on targeted servers. Exim maintainers today released an urgent security update—Exim version 4.92.3—after publishing an early warning two days ago, giving system administrators an early…

A Pakistani hacker who previously who made headlines earlier this year for selling almost a billion user records stolen from nearly 45 popular online services has now claimed to have hacked the popular mobile social game company Zynga Inc. With a current market capitalization of over $5 billion, Zynga is one of the world's most successful social game developers with a collection of hit…

Remember the Simjacker vulnerability? Earlier this month, we reported about a critical unpatched weakness in a wide range of SIM cards, which an unnamed surveillance company has actively been exploiting in the wild to remotely compromise targeted mobile phones just by sending a specially crafted SMS to their phone numbers. If you can recall, the Simjacker vulnerability resides in a dynamic…

An iOS hacker and cybersecurity researcher today publicly released what he claimed to be a "permanent unpatchable bootrom exploit," in other words, an epic jailbreak that works on all iOS devices ranging from iPhone 4s (A5 chip) to iPhone 8 and iPhone X (A11 chip). Dubbed Checkm8, the exploit leverages unpatchable security weaknesses in Apple's Bootrom (SecureROM), the first significant code…