QBot changes tactic, remains a menace to business networks

QBot, an infostealer-turned-dropper that aids criminal gangs in their malicious campaigns, is now being distributed as part of a phishing campaign using PDFs and Windows Script Files WSF, according to recent discoveries by malware hunter Proxylife @pr0xylife and the Cryptolaemus group...

Google Chrome Hit by Second Zero-Day Attack - Urgent Patch Update Released

Google on Tuesday rolled out emergency fixes to address another actively exploited high-severity zero-day flaw in its Chrome web browser. The flaw, tracked as CVE-2023-2136, is described as a case of integer overflow in Skia, an open source 2D graphics library. Clément Lecigne of Google's Threat...

Google Chrome Emergency Update Fixes Zero-Day Exploit in the Wild

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary A potential vulnerability in Google Chrome versions before 112.0.5615.121, identified as CVE-2023-2033, involves Type confusion in V8, which could allow a remote attacker to potentially exploit he...

Update Chrome now! Google patches actively exploited flaw

In a recent security advisory, Google says it patched a high-severity zero-day security flaw in its Chrome browser--the first in 2023--currently being exploited in the wild by threat actors. The company urges all its Windows, Mac, and Linux users to update to version 112.0.5615.121 immediately, a...

Google Releases Urgent Chrome Update to Fix Actively Exploited Zero-Day Vulnerability

Google on Friday released out-of-band updates to resolve an actively exploited zero-day flaw in its Chrome web browser, making it the first such bug to be addressed since the start of the year. Tracked as CVE-2023-2033, the high-severity vulnerability has been described as a type confusion issue ...

Google Releases Urgent Chrome Update to Fix Actively Exploited Zero-Day Vulnerability

Google on Friday released out-of-band updates to resolve an actively exploited zero-day flaw in its Chrome web browser, making it the first such bug to be addressed since the start of the year. Tracked as CVE-2023-2033 , the high-severity vulnerability has been described as a type confusion issue...

Threat Source newsletter (April 13, 2023) — Dark web forum whac-a-mole

Welcome to this weeks edition of the Threat Source newsletter. Law enforcement organizations across the globe notched a series of wins over the past few weeks against online forums for cybercriminals. On March 23, the FBI announced it disrupted the online cybercriminal marketplace BreachForums,...

Ransomware review: April 2023

This article is based on research by Marcelo Rivero, Malwarebytes' ransomware specialist, who monitors information published by ransomware gangs on their Dark Web sites. In this report, "known attacks" are those where the victim didn't pay a ransom. This provides the best overall picture of...

Microsoft Addresses Zero-Day and Wormable Vulnerabilities

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary Microsofts April 2023 Patch Tuesday and security updates address one actively exploited the zero-day vulnerability and a total of 97 flaws, consisting of 7 critical and 90 important vulnerabilitie...

Cybercrime group exploits zero-day on Windows servers to deploy Nokoyawa ransomware

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Nokoyawa ransomware is a new threat that exploits the CVE-2023-28252 vulnerability to infiltrate and encrypt victims files, demanding a ransom for their release. To receive real-time threat advisories,...

Update now! April’s Patch Tuesday includes a fix for one zero-day

Its Patch Tuesday again. Microsoft and other vendors have released their monthly updates. Among a total of 97 patched vulnerabilities there is one actively exploited zero-day. Microsoft classifies a vulnerability as a zero-day if it is publicly disclosed or actively exploited with no official fix...

Apple Addresses Zero-Day Vulnerabilities in macOS and Safari

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary Apple addressed vulnerabilities in macOS Ventura and Safari for macOS Big Sur/Monterey, which could potentially enable attackers to execute arbitrary code with kernel privileges or through...

Microsoft and Adobe Patch Tuesday April 2023 Security Update Review

Microsoft released security updates to address 114 vulnerabilities in the April Patch Tuesday edition. The security advisories cover various vulnerabilities in different products, features, and roles. Lets know more about this months Patch Tuesday details. Microsoft Patch Tuesday for April 2023...

Microsoft (& Apple) Patch Tuesday, April 2023 Edition

Microsoft today released software updates to plug 100 security holes in its Windows operating systems and other software, including a zero-day vulnerability that is already being used in active attacks. Not to be outdone, Apple has released a set of important updates addressing two zero-day...

Patch Tuesday - April 2023

Microsoft is offering fixes for 114 vulnerabilities for April 2023 Patch Tuesday. This month’s haul includes a single zero-day vulnerability, as well as seven critical Remote Code Execution RCE vulnerabilities. There is a strong focus on fixes for Windows OS this month. Zero-day vulnerability: CL...

Nokoyawa ransomware attacks with Windows zero-day

Updated April 20, 2023 In February 2023, Kaspersky technologies detected a number of attempts to execute similar elevation-of-privilege exploits on Microsoft Windows servers belonging to small and medium-sized businesses in the Middle East, in North America, and previously in Asia regions. These...

CVE-2023-28252

Windows Common Log File System Driver Elevation of Privilege Vulnerability Recent assessments: ccondon-r7 at April 12, 2023 3:18pm UTC reported: This was discovered because of zero-day exploitation perpetrated by a skilled adversary — final payload was Nokoyawa ransomware in at least one case, as...

Apple Releases Updates to Address Zero-Day Flaws in iOS, iPadOS, macOS, and Safari

Apple on Friday released security updates for iOS, iPadOS, macOS, and Safari web browser to address a pair of zero-day flaws that are being exploited in the wild. The two vulnerabilities are as follows - CVE-2023-28205 - A use after free issue in WebKit that could lead to arbitrary code execution...

Apple Releases Updates to Address Zero-Day Flaws in iOS, iPadOS, macOS, and Safari

Apple on Friday released security updates for iOS, iPadOS, macOS, and Safari web browser to address a pair of zero-day flaws that are being exploited in the wild. The two vulnerabilities are as follows - CVE-2023-28205 - A use after free issue in WebKit that could lead to arbitrary code execution...

Protect Your Company: Ransomware Prevention Made Easy

Every year hundreds of millions of malware attacks occur worldwide, and every year businesses deal with the impact of viruses, worms, keyloggers, and ransomware. Malware is a pernicious threat and the biggest driver for businesses to look for cybersecurity solutions. Naturally, businesses want to...