Do Not Use auditctl to Set auditd Rules

auditd service rules can be configured using either rule files in the /etc/audit/rules.d/ directory applied after server restart or the auditctl command for immediate effect. The permission of the /etc/audit/rules.d/ directory is 750, while that of the auditctl command is 755. Therefore,...

Security Updates for Windows Defender (September 2023)

The Malware Protection Engine version of Microsoft Windows Defender installed on the remote Windows host is prior to 1.1.23080.2005. It is, therefore, affected by an attack surface reduction vulnerability due to security features bypass. A remote attacker can trick a victim to open a specially...

CVE-2023-38163

Windows Defender Attack Surface Reduction Security Feature Bypass...

CVE-2023-38163

Windows Defender Attack Surface Reduction Security Feature Bypass...

CVE-2023-38163 Windows Defender Attack Surface Reduction Security Feature Bypass

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Windows Defender Attack Surface Reduction Security Feature Bypass

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CVE-2023-38163: Undefined Security Weakness

Windows Defender Attack Surface Reduction Security Feature Bypass...

RFP Template for Browser Security

Increasing cyber threats and attacks have made protecting organizational data a paramount concern for businesses of all sizes. A group of experts have recognized the pressing need for comprehensive browser security solutions and collaborated to develop "The Definitive Browser Security RFP...

Part II: Implementing Effective Cyber Security Metrics that Reduce Risk Realistically

In Part I of this three-part blog series, we discussed building a cyber risk metrics program from the ground up. We also discovered how to implement effective strategies for holistically articulating your cyber risk posture across your organization. In our second installment, we’ll delve deeper...

Zero-day deploys remote code execution vulnerability via Word documents

An unpatched zero-day vulnerability is currently being abused in the wild, targeting those with an interest in Ukraine. Microsoft reports that CVE-2023-36884 is tied to reports of: …a series of remote code execution vulnerabilities impacting Windows and Office products. Microsoft is aware of...

Microsoft Defender for Endpoint is ranked number one in market share in the IDC Worldwide Corporate Endpoint Security Market Shares report, 2022

Microsoft security researchers tracked a 130.4 percent increase in organizations that have encountered ransomware over the last year. Endpoints are an important attack vector and ensuring that organizations have modern endpoint security as part of a broader extended detection and response strateg...

A week in security (June 19 - 25)

Last week on Malwarebytes Labs: Microsoft Azure AD flaw can lead to account takeover 5 facts to know about the Royal ransomware gang Malwarebytes only vendor to win every MRG Effitas award in 2022 & 2023 UPS warns customers of phishing attempts after data accessed 6 tips for a cybersecure honeymo...

A New Security Category Addresses Web-borne Threats

In the modern corporate IT environment, which relies on cloud connectivity, global connections and large volumes of data, the browser is now the most important work interface. The browser connects employees to managed resources, devices to the web, and the on-prem environment to the cloud one. Ye...

Detecting and preventing LSASS credential dumping attacks

Obtaining user operating system OS credentials from a targeted device is among threat actors’ primary goals when launching attacks because these credentials serve as a gateway to various objectives they can achieve in their target organization’s environment, such as lateral movement. One techniqu...

Zero-Day ‘Follina’ Bug Lays Microsoft Office Open to Attack

UPDATE A zero-day vulnerability in Microsoft Office allows adversaries to run malicious code on targeted systems via a flaw a remote Word template feature. The warning comes from Japanese security vendor Nao Sec, which tweeted a warning about the zero day over the weekend. It’s unclear if the...

High-Severity RCE Flaw Disclosed in Several Netgear Router Models

Networking equipment company Netgear has released patches to remediate a high-severity remote code execution vulnerability affecting multiple routers that could be exploited by remote attackers to take control of an affected system. Traced as CVE-2021-40847 CVSS score: 8.1, the security weakness...

Analyzing attacks that exploit the CVE-2021-40444 MSHTML vulnerability

In August, Microsoft Threat Intelligence Center MSTIC identified a small number of attacks less than 10 that attempted to exploit a remote code execution vulnerability in MSHTML using specially crafted Microsoft Office documents. These attacks used the vulnerability, tracked as CVE-2021-40444, as...

NSA on Securing VPNs

The NSA's Central Security Service -- that's the part that's supposed to work on defense -- has released two documents a full and an abridged version on securing virtual private networks. Some of it is basic, but it contains good information. Maintaining a secure VPN tunnel can be complex and...

Akamai's Prolexic Platform Completes Fifth Generation Upgrade

Akamai introduces new enhancements today to its Prolexic Routed purpose-built DDoS scrubbing service that reflect the changing nature of the threat landscape and capitalize on cloud functionality to enable maximum customer flexibility using newer deployment models. For anyone worried about DDoS...

Step 9. Protect your OS: top 10 actions to secure your environment

In “Step 9. Protect your OS” of the Top 10 actions to secure your environment blog series, we provide resources to help you configure Microsoft Defender Advanced Threat Protection Microsoft Defender ATP to defend your Windows, macOS, Linux, iOS, and Android devices from advanced threats. In an...