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...

Network Providers and Devices targeted by Chinese state-sponsored actors

Threat Level Attack Report For a detailed advisory, download the pdf file here Summary The National Security Agency NSA, the Cybersecurity and Infrastructure Security Agency CISA, and the Federal Bureau of Investigation FBI have released a joint advisory to make organizations in the...

CISA Adds Three Known Exploited Vulnerabilities to Catalog  

CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: to view the newly...

Ransomware Task Force priorities see progress in first year

This blog is part of our live coverage from RSA Conference 2022: US President Joseph R. Biden Jr., The White House, and law enforcement agencies across the world paid close attention last year when a group of more than 60 cybersecurity experts launched the Ransomware Task Force, heeding the group...

Researchers Warn of Spam Campaign Targeting Victims with SVCReady Malware

A new wave of phishing campaigns has been observed spreading a previously documented malware called SVCReady. "The malware is notable for the unusual way it is delivered to target PCs — using shellcode hidden in the properties of Microsoft Office documents," Patrick Schläpfer, a threat analyst at...

Atlassian Releases Patch for Confluence Zero-Day Flaw Exploited in the Wild

Atlassian on Friday rolled out fixes to address a critical security flaw affecting its Confluence Server and Data Center products that have come under active exploitation by threat actors to achieve remote code execution. Tracked as CVE-2022-26134, the issue is similar to CVE-2021-26084 — another...

Trellix Global Defenders: Follina — Microsoft Office Zero-Day (CVE-2022-30190)

Trellix Global Defenders: Follina — Microsoft Office Zero-Day CVE-2022-30190 By Taylor Mullins, Robin Noyce , Benjamin Marandel · June 3, 2022 Trellix is continuing to monitor the threat activity associated with the Microsoft Office Zero-Day vulnerability that has been dubbed “Follina.”...

Exposing POLONIUM activity and infrastructure targeting Israeli organizations

Microsoft successfully detected and disabled attack activity abusing OneDrive by a previously undocumented Lebanon-based activity group Microsoft Threat Intelligence Center MSTIC tracks as POLONIUM. The associated indicators and tactics were used by the OneDrive team to improve detection of attac...

Exposing POLONIUM activity and infrastructure targeting Israeli organizations

Microsoft successfully detected and disabled attack activity abusing OneDrive by a previously undocumented Lebanon-based activity group Microsoft Threat Intelligence Center MSTIC tracks as POLONIUM. The associated indicators and tactics were used by the OneDrive team to improve detection of attac...

CVE-2022-30277

BD Synapsys™, versions 4.20, 4.20 SR1, and 4.30, contain an insufficient session expiration vulnerability. If exploited, threat actors may be able to access, modify or delete sensitive information, including electronic protected health information ePHI, protected health information PHI and...