Log4Shell Still Being Exploited to Hack VMWare Servers to Exfiltrate Sensitive Data

The U.S. Cybersecurity and Infrastructure Security Agency CISA, along with the Coast Guard Cyber Command CGCYBER, on Thursday released a joint advisory warning of continued attempts on the part of threat actors to exploit the Log4Shell flaw in VMware Horizon servers to breach target networks...

Malicious Cyber Actors Continue to Exploit Log4Shell in VMware Horizon Systems

CISA and the United States Coast Guard Cyber Command CGCYBER have released a joint Cybersecurity Advisory CSA to warn network defenders that cyber threat actors, including state-sponsored advanced persistent threat APT actors, have continued to exploit CVE-2021-44228 Log4Shell in VMware Horizon®...

You’ve Been Warned: Overlook Security Basics at Your Peril

Hackers are increasingly capitalizing on our volatile world—there was an increase in coronavirus-related phishing attacks in the pandemic’s early days as well as threats associated with the uptick in telecommuting and remote learning. Russia’s invasion of Ukraine is the latest example, with...

Keeping PowerShell: Measures to Use and Embrace

Cybersecurity authorities from the United States, New Zealand, and the United Kingdom have released a joint Cybersecurity Information Sheet CIS on PowerShell. The CIS provides recommendations for proper configuration and monitoring of PowerShell, as opposed to removing or disabling it entirely du...

Improving AI-based defenses to disrupt human-operated ransomware

Microsoft’s deep understanding of human-operated ransomware attacks, which are powered by a thriving cybercrime gig economy, continuously informs the solutions we deliver to protect customers. Our expert monitoring of threat actors, investigations into real-world ransomware attacks, and the...

Can Business Cybersecurity Protection Outlay Offset Cybercrime Insurance?

What is cybercrime insurance? Business cybersecurity protection cybercrime insurance safeguards organizations from any financial losses relating to damage to or loss of information from, networks and IT systems. This may include reputation loss, the cost of business interruption, infringement of...

Vulnerabilities & Threats that Matter 13 June – 19 June 2022

Published Vulnerabilities Interesting Vulnerabilities Active Threat Groups Targeted Countries Targeted Industries ATT&CK TTPs 798 53 1 109 4 13 For a detailed threat digest, download the pdf file here Summary The first week of June 2022 witnessed the discovery of 798 vulnerabilities out of which ...

Defending Against Scheduled Task Attacks in Windows Environments

Scheduling tasks is one of the most popular attack techniques used by threat actors to establish persistence on a victim’s machine. The Qualys Research Team investigated different ways that attackers could use to conceal scheduled tasks. In this blog, we describe three new techniques to hide and...

Client-side Magecart attacks still around, but more covert

This blog post was authored by Jérôme Segura We have seen and heard less buzz about Magecart during the past several months. While some marketing playbooks continue to rehash the same breaches of yesteryear, we have been wondering if some changes took place in the threat landscape. One thing we...

Hertzbleed exposes computers’ secret whispers

Hertzbleed is the name for a vulnerability that can be used to obtain cryptographic keys and other secret data from Intel and AMD CPUs, remotely. It works by monitoring changes in power consumption, which can be deduced by the careful timing of known workloads, thanks to a processor power saving...

BlackCat Ransomware Gang Targeting Unpatched Microsoft Exchange Servers

Microsoft is warning that the BlackCat ransomware crew is leveraging exploits for unpatched Exchange server vulnerabilities to gain access to targeted networks. Upon gaining an entry point, the attackers swiftly moved to gather information about the compromised machines, followed by carrying out...

Ransomware Risk in Healthcare Endangers Patients

In the last two years, COVID-19 has occupied healthcare providers’ minds — rightfully so, considering the pandemic’s tremendous toll on patients. But another threat that causes immense harm gets less attention: ransomware. While ransomware attacks receive lots of headlines, the irreparable damage...

Top Five Attacking IPs This Month: Their Locations May Not Be Where You Think

At Wordfence, we see large amounts of threat actor data, and often that data tells unexpected stories. Taking a look at just the top five attacking IP addresses over a 30 day period, you might be surprised to find out where these attacks are originating, and what they are doing. When most people...

Comprehensive, Easy Cybersecurity for Lean IT Security Teams Starts with XDR

Breaches don't just happen to large enterprises. Threat actors are increasingly targeting small businesses. In fact, 43% of data breaches involved small to medium-sized businesses. But there is a glaring discrepancy. Larger businesses typically have the budget to keep their lights on if they are...

Patch Tuesday: Microsoft Issues Fix for Actively Exploited 'Follina' Vulnerability

Microsoft finally released fixes to address an actively exploited Windows zero-day vulnerability known as Follina as part of its Patch Tuesday updates. Also addressed by the tech giant are 55 other flaws, three of which are rated Critical, 51 are rated Important, and one is rated Moderate in...

“Multiple adversaries” exploiting Confluence vulnerability, warns Microsoft

Microsoft has warned that "multiple adversaries and nation-state actors" are making use of the recent Atlassian Confluence RCE vulnerability. A fix is now available for CVE-2022-26134. It is essential users of Confluence address the patching issue immediately. Confluence vulnerability: Background...

Design/Logic Flaw

The iQ Block Country WordPress plugin before 1.2.20 does not properly checks HTTP headers in order to validate the origin IP address, allowing threat actors to bypass it's block feature by spoofing the headers...

CVE-2022-1762

CVE-2022-1762 affects the WordPress plugin iQ Block Country prior to version 1.2.20. The root cause is improper HTTP header validation used to determine the origin IP, which allows an attacker to bypass the plugin’s block feature by spoofing headers. Public sources in the connected documents corr...

Weekly Digest 30 May – 5 June 2022

Published Vulnerabilities Interesting Vulnerabilities Active Threat Groups Targeted Countries Targeted Industries ATT&CK TTPs 412 24 1 45 3 13 For a detailed threat digest, download the pdf file here Summary The first week of June 2022 witnessed the discovery of 412 vulnerabilities out of which 2...

People’s Republic of China State-Sponsored Cyber Actors Exploit Network Providers and Devices

Summary Best Practices • Apply patches as soon as possible • Disable unnecessary ports and protocols • Replace end-of-life infrastructure • Implement a centralized patch management system This joint Cybersecurity Advisory describes the ways in which People’s Republic of China PRC state-sponsored...