RSS ze světa hackingu


New Bugs Could Let Hackers Bypass Spectre Attack Mitigations On Linux Systems

Cybersecurity researchers on Monday disclosed two new vulnerabilities in Linux-based operating systems that, if successfully exploited, could let attackers circumvent mitigations for speculative attacks such as Spectre and obtain sensitive information from kernel memory. Discovered by Piotr Krysiuk of Symantec's Threat Hunter team, the flaws — tracked as CVE-2020-27170 and CVE-2020-27171 (CVSS…

Datum: 29. 3. 2021

How to Effectively Prevent Email Spoofing Attacks in 2021?

Email spoofing is a growing problem for an organization's security. Spoofing occurs when a hacker sends an email that appears to have been sent from a trusted source/domain. Email spoofing is not a new concept. Defined as "the forgery of an email address header to make the message appear as if it was sent from a person or location other than the actual sender," it has plagued brands for decades.…

Datum: 29. 3. 2021

PHP's Git Server Hacked to Insert Secret Backdoor to Its Source code

In yet another instance of a software supply chain attack, unidentified actors hacked the official Git server of the PHP programming language and pushed unauthorized updates to insert a secret backdoor into its source code. The two malicious commits were pushed to the self-hosted "php-src" repository hosted on the git.php.net server, illicitly using the names of Rasmus Lerdorf, the author of the…

Datum: 29. 3. 2021

Watch Out! That Android System Update May Contain A Powerful Spyware

Researchers have discovered a new information-stealing trojan, which targets Android devices with an onslaught of data-exfiltration capabilities — from collecting browser searches to recording audio and phone calls. While malware on Android has previously taken the guise of copycat apps, which go under names similar to legitimate pieces of software, this sophisticated new malicious app…

Datum: 27. 3. 2021

Apple Issues Urgent Patch Update for Another Zero-Day Under Attack

Merely weeks after releasing out-of-band patches for iOS, iPadOS, macOS and watchOS, Apple has released yet another security update for iPhone, iPad, Apple Watch to fix a critical zero-day weakness that it says is being actively exploited in the wild. Tracked as CVE-2021-1879, the vulnerability relates to a WebKit flaw that could enable adversaries to process maliciously crafted web content that…

Datum: 27. 3. 2021

OpenSSL Releases Patches for 2 High-Severity Security Vulnerabilities

The maintainers of OpenSSL have released a fix for two high-severity security flaws in its software that could be exploited to carry out denial-of-service (DoS) attacks and bypass certificate verification. Tracked as CVE-2021-3449 and CVE-2021-3450, both the vulnerabilities have been resolved in an update (version OpenSSL 1.1.1k) released on Thursday. While CVE-2021-3449 affects all OpenSSL…

Datum: 26. 3. 2021

New 5G Flaw Exposes Priority Networks to Location Tracking and Other Attacks

New research into 5G architecture has uncovered a security flaw in its network slicing and virtualized network functions that could be exploited to allow data access and denial of service attacks between different network slices on a mobile operator's 5G network. AdaptiveMobile shared its findings with the GSM Association (GSMA) on February 4, 2021, following which the weaknesses were…

Datum: 26. 3. 2021

Another Critical RCE Flaw Discovered in SolarWinds Orion Platform

IT infrastructure management provider SolarWinds on Thursday released a new update to its Orion networking monitoring tool with fixes for four security vulnerabilities, counting two weaknesses that could be exploited by an authenticated attacker to achieve remote code execution (RCE). Chief among them is a JSON deserialization flaw that allows an authenticated user to execute arbitrary code via…

Datum: 26. 3. 2021

Black Kingdom Ransomware Hunting Unpatched Microsoft Exchange Servers

More than a week after Microsoft released a one-click mitigation tool to mitigate cyberattacks targeting on-premises Exchange servers, the company disclosed that patches have been applied to 92% of all internet-facing servers affected by the ProxyLogon vulnerabilities. The development, a 43% improvement from the previous week, caps off a whirlwind of espionage and malware campaigns that hit…

Datum: 25. 3. 2021

Forcing Self-Service Password Reset (SSPR) Registration to Increase ROI

When your organization invests in a new product or service, it is essential that you take advantage of all the features it has to offer. This will help you to maximize your return on investment (ROI). If you have purchased or are thinking about purchasing a self-service password reset (SSPR) tool, one of the most important things you will need to do is make sure that 100% of users are registered…

Datum: 25. 3. 2021

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