RSS ze světa hackingu


Malware Variants: More Sophisticated, Prevalent and Evolving in 2021

A malicious program intended to cause havoc with IT systems—malware—is becoming more and more sophisticated every year. The year 2021 is no exception, as recent trends indicate that several new variants of malware are making their way into the world of cybersecurity. While smarter security solutions are popping up, modern malware still eludes and challenges cybersecurity experts.  The evolution…

Datum: 15. 4. 2021

YIKES! Hackers flood the web with 100,000 pages offering malicious PDFs

Cybercriminals are resorting to search engine poisoning techniques to lure business professionals into seemingly legitimate Google sites that install a Remote Access Trojan (RAT) capable of carrying out a wide range of attacks. The attack works by leveraging searches for business forms such as invoices, templates, questionnaires, and receipts as a stepping stone toward infiltrating the systems.…

Datum: 15. 4. 2021

New WhatsApp Bugs Could've Let Attackers Hack Your Phone Remotely

Facebook-owned WhatsApp recently addressed two security vulnerabilities in its messaging app for Android that could have been exploited to execute malicious code remotely on the device and even compromise encrypted communications. The flaws take aim at devices running Android versions up to and including Android 9 by carrying out what's known as a "man-in-the-disk" attack that makes it possible…

Datum: 14. 4. 2021

New JavaScript Exploit Can Now Carry Out DDR4 Rowhammer Attacks

Academics from Vrije University in Amsterdam and ETH Zurich have published a new research paper describing yet another variation of the Rowhammer attack. Dubbed SMASH (Synchronized MAny-Sided Hammering), the technique can be used to successfully trigger the attack from JavaScript on modern DDR4 RAM cards, notwithstanding extensive mitigations that have been put in place by manufacturers over the…

Datum: 14. 4. 2021

Simplify, then Add Lightness – Consolidating the Technology to Better Defend Ourselves

One of the biggest consequences of the rapidly evolving cybersecurity threat landscape is that defenses must constantly build bigger systems to defend themselves.  This leads to both more complex systems and often less communication between them. More importantly, it can lead companies to invest in disparate “best in class” components instead of finding the best fit for their needs. The constant…

Datum: 14. 4. 2021

2 New Chrome 0-Days Under Attack — Update Your Browser ASAP!

Google on Tuesday released a new version of Chrome web-browsing software for Windows, Mac, and Linux with fixes for two security vulnerabilities, both of which it says are under active exploitation. One of the two flaws concerns an insufficient validation of untrusted input in its V8 JavaScript rendering engine (CVE-2021-21220), which was demonstrated by Dataflow Security's Bruno Keith and…

Datum: 14. 4. 2021

NSA Discovers New Vulnerabilities Affecting Microsoft Exchange Servers

In its April slate of patches, Microsoft rolled out fixes for a total of 114 security flaws, including an actively exploited zero-day and four remote code execution bugs in Exchange Server. Of the 114 flaws, 19 are rated as Critical, 88 are rated Important, and one is rated Moderate in severity. Chief among them is CVE-2021-28310, a privilege escalation vulnerability in Win32k that's said to be…

Datum: 14. 4. 2021

New NAME:WRECK Vulnerabilities Impact Nearly 100 Million IoT Devices

Security researchers have uncovered nine vulnerabilities affecting four TCP/IP stacks impacting more than 100 million consumer and enterprise devices that could be exploited by an attacker to take control of a vulnerable system. Dubbed "NAME:WRECK" by Forescout and JSOF, the flaws are the latest in series of studies undertaken as part of an initiative called Project Memoria to study the security…

Datum: 13. 4. 2021

Hackers Using Website's Contact Forms to Deliver IcedID Malware

Microsoft has warned organizations of a "unique" attack campaign that abuses contact forms published on websites to deliver malicious links to businesses via emails containing fake legal threats, in what's yet another instance of adversaries abusing legitimate infrastructure to mount evasive campaigns that bypass security protections. "The emails instruct recipients to click a link to review…

Datum: 13. 4. 2021

Detecting the "Next" SolarWinds-Style Cyber Attack

The SolarWinds attack, which succeeded by utilizing the sunburst malware, shocked the cyber-security industry. This attack achieved persistence and was able to evade internal systems long enough to gain access to the source code of the victim. Because of the far-reaching SolarWinds deployments, the perpetrators were also able to infiltrate many other organizations, looking for intellectual…

Datum: 13. 4. 2021

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