RSS ze světa hackingu


A Second Hacker Group May Have Also Breached SolarWinds, Microsoft Says

As the probe into the SolarWinds supply chain attack continues, new digital forensic evidence has brought to light that a separate threat actor may have been abusing the IT infrastructure provider's Orion software to drop a similar persistent backdoor on target systems. "The investigation of the whole SolarWinds compromise led to the discovery of an additional malware that also affects the…

Datum: 22. 12. 2020

Two Critical Flaws — CVSS Score 10 — Affect Dell Wyse Thin Client Devices

A team of researchers today unveils two critical security vulnerabilities it discovered in Dell Wyse Thin clients that could have potentially allowed attackers to remotely execute malicious code and access arbitrary files on affected devices. The flaws, which were uncovered by healthcare cybersecurity provider CyberMDX and reported to Dell in June 2020, affects all devices running ThinOS…

Datum: 21. 12. 2020

Common Security Misconfigurations and Their Consequences

Everyone makes mistakes. That one sentence was drummed into me in my very first job in tech, and it has held true since then. In the cybersecurity world, misconfigurations can create exploitable issues that can haunt us later - so let's look at a few common security misconfigurations. The first one is development permissions that don't get changed when something goes live. For example, AWS S3…

Datum: 21. 12. 2020

iPhones of 36 Journalists Hacked Using iMessage Zero-Click Exploit

Three dozen journalists working for Al Jazeera had their iPhones stealthily compromised via a zero-click exploit to install spyware as part of a Middle East cyberespionage campaign. In a new report published yesterday by University of Toronto's Citizen Lab, researchers said personal phones of 36 journalists, producers, anchors, and executives at Al Jazeera, and a journalist at London-based Al…

Datum: 21. 12. 2020

Microsoft Says Its Systems Were Also Breached in Massive SolarWinds Hack

The massive state-sponsored espionage campaign that compromised software maker SolarWinds also targeted Microsoft, as the unfolding investigation into the hacking spree reveals the incident may have been far more wider in scope, sophistication, and impact than previously thought. News of Microsoft's compromise was first reported by Reuters, which also said the company's own products were then…

Datum: 18. 12. 2020

How to Use Password Length to Set Best Password Expiration Policy

One of the many features of an Active Directory Password Policy is the maximum password age. Traditional Active Directory environments have long using password aging as a means to bolster password security. Native password aging in the default Active Directory Password Policy is relatively limited in configuration settings. Let's take a look at a few best practices that have changed in regards…

Datum: 17. 12. 2020

Software Supply-Chain Attack Hits Vietnam Government Certification Authority

Cybersecurity researchers today disclosed a new supply-chain attack targeting the Vietnam Government Certification Authority (VGCA) that compromised the agency's digital signature toolkit to install a backdoor on victim systems. Uncovered by Slovak internet security company ESET early this month, the "SignSight" attack involved modifying software installers hosted on the CA's website ("ca.gov.vn…

Datum: 17. 12. 2020

New Evidence Suggests SolarWinds' Codebase Was Hacked to Inject Backdoor

The investigation into how the attackers managed to compromise SolarWinds' internal network and poison the company's software updates is still underway, but we may be one step closer to understanding what appears to be a very meticulously planned and highly-sophisticated supply chain attack. A new report published by ReversingLabs today and shared in advance with The Hacker News has revealed…

Datum: 16. 12. 2020

Ransomware Attackers Using SystemBC Malware With RAT and Tor Proxy

Cybercriminals are increasingly outsourcing the task of deploying ransomware to affiliates using commodity malware and attack tools, according to new research. In a new analysis published by Sophos today and shared with The Hacker News, recent deployments of Ryuk and Egregor ransomware have involved the use of SystemBC backdoor to laterally move across the network and fetch additional payloads…

Datum: 16. 12. 2020

New 5G Network Flaws Let Attackers Track Users' Locations and Steal Data

As 5G networks are being gradually rolled out in major cities across the world, an analysis of its network architecture has revealed a number of potential weaknesses that could be exploited to carry out a slew of cyber assaults, including denial-of-service (DoS) attacks to deprive subscribers of Internet access and intercept data traffic. The findings form the basis of a new "5G Standalone core…

Datum: 16. 12. 2020

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