Insights

Microsoft Releases October 2023 Security Updates

Microsoft has released updates to address multiple vulnerabilities in Microsoft software. A cyber threat actor can exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Microsoft’s October 2023 Security Update Guide and apply the necessary updates.  

Read More

Phishers Spoof USPS, 12 Other Natl’ Postal Services

The fake USPS phishing page. Recent weeks have seen a sizable uptick in the number of phishing scams targeting U.S. Postal Service (USPS) customers. Here’s a look at an extensive SMS phishing operation that tries to steal personal and financial data by spoofing the USPS, as well as postal services in at least a dozen other countries. KrebsOnSecurity recently heard from a reader who received an SMS purporting to have been sent by the USPS,…

Read More

Apple Releases Security Updates for iOS and iPadOS

Apple has released security updates to address vulnerabilities in iOS and iPadOS. A cyber threat actor could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following advisory and apply the necessary updates: iOS 17.0.3 and iPadOS 17.0.3.

Read More

Atlassian Releases Security Advisory for Confluence Data Center and Server

Atlassian released a security advisory to address a vulnerability affecting Confluence Data Center and Confluence Server. A remote cyber threat actor could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review the following advisory and apply the necessary updates: CVE-2023-22515 – Privilege Escalation Vulnerability in Confluence Data Center and Server.

Read More

NSA and CISA Release Advisory on Top Ten Cybersecurity Misconfigurations

Today, the National Security Agency (NSA) and Cybersecurity and Infrastructure Security Agency (CISA) released a joint cybersecurity advisory (CSA), NSA and CISA Red and Blue Teams Share Top Ten Cybersecurity Misconfigurations, which provides the most common cybersecurity misconfigurations in large organizations, and details the tactics, techniques, and procedures (TTPs) actors use to exploit these misconfigurations. The misconfigurations in the CSA illustrate a trend of systemic weaknesses in many large organizations, including those with mature cyber…

Read More

CISA Adds Two Known Exploited Vulnerabilities to Catalog, Removes Five KEVs

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation: CVE-2023-42793 Arm Mali GPU Kernel Driver Use-After-Free Vulnerability CVE-2023-28229 Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise. Note: To view other newly added vulnerabilities in the catalog, click on the arrow in the “Date Added to Catalog” column—which will sort…

Read More

CISA and NSA Release New Guidance on Identity and Access Management

Today, CISA and the National Security Agency (NSA) published Identity and Access Management: Developer and Vendor Challenges, authored by the Enduring Security Framework (ESF), a CISA- and NSA-led working panel that includes a public-private cross-sector partnership. ESF aims to address risks that threaten critical infrastructure and national security systems. This publication, which follows ESF’s Identity and Access Management Recommended Best Practices Guide for Administrators, assesses and addresses challenges developers and technology manufacturers face in identity…

Read More

Don’t Let Zombie Zoom Links Drag You Down

Many organizations — including quite a few Fortune 500 firms — have exposed web links that allow anyone to initiate a Zoom video conference meeting as a valid employee. These company-specific Zoom links, which include a permanent user ID number and an embedded passcode, can work indefinitely and expose an organization’s employees, customers or partners to phishing and other social engineering attacks. Image: @Pressmaster on Shutterstock. At issue is the Zoom Personal Meeting ID (PMI),…

Read More

Kicking off NIST's Cybersecurity Awareness Month Celebration & Our Cybersecurity Awareness Month 2023 Blog Series

Credit: NIST October is always an exciting time for us as we celebrate Cybersecurity Awareness Month and some of NIST’s greatest accomplishments, resources, guidance, and latest news in the cybersecurity space. This year is a big one because 2023 marks the 20th anniversary of this important initiative —and we will celebrate in various ways every day throughout the month. What is NIST Up to in October? We’ll be using our NIST Cybersecurity Awareness Month website…

Read More

A Closer Look at the Snatch Data Ransom Group

Earlier this week, KrebsOnSecurity revealed that the darknet website for the Snatch ransomware group was leaking data about its users and the crime gang’s internal operations. Today, we’ll take a closer look at the history of Snatch, its alleged founder, and their claims that everyone has confused them with a different, older ransomware group by the same name. According to a September 20, 2023 joint advisory from the FBI and the U.S. Cybersecurity and Infrastructure…

Read More