Category: Cyber Security
Cyber Security
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Microsoft Defender for Office 365-Configure trusted ARC sealers email authentication for Microsoft 365 Custom domains
Authenticated Received Chain (ARC) is a mechanism used in email authentication protocols to address the issues of message forwarding and intermediary handling of emails. It is designed to improve the reliability and security of email authentication systems like SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail).
Read MoreMicrosoft Defender for Office 365 – Configure DMARC email authentication for Microsoft 365 Custom Domains
Domain-based Message Authentication, Reporting, and Conformance (DMARC) builds upon SPF and DKIM to give domain owners greater control over how recipient servers handle their email messages. With DMARC, domain owners can specify policies instructing recipient servers on how to handle emails that fail SPF or DKIM checks. DMARC also enables domain owners to receive reports on email authentication results, allowing them to monitor and improve their email security posture.
Read MoreMicrosoft Defender for Office 365 – Configure DKIM email authentication for Microsoft 365 Custom domains
DomainKeys Identified Mail (DKIM) allows email senders to sign their outgoing emails digitally using cryptographic signatures. These signatures are stored as DKIM records in the domain’s DNS settings. Recipients’ mail servers can then use these signatures to verify that the email content has not been tampered with and originated from an authorized sender.
Read MoreMicrosoft Defender for Office 365-Configure SPF email authentication for Microsoft 365 domains
Microsoft Defender for Office 365 is a cloud-based email filtering service that helps protect businesses against advanced threats such as phishing and malware in emails, links, and collaboration tools like Microsoft Teams, SharePoint, and OneDrive. Formerly known as Office 365 Advanced Threat Protection (ATP), Microsoft Defender for Office 365 provides several features to enhance the security posture of an organization’s email and collaboration environment.
Read MoreCVE-2024-20253 Cisco Unified Communications Products Remote Code Execution Vulnerability
A flaw in some Cisco Unified Communications and Contact Center Solutions products could allow an unauthenticated, remote attacker to run arbitrary code on a vulnerable device.
If your customers use the products below, Please update the software ASAP.
FIX KB5034439 – Failed to install 0x80070643 – January 2024 – CVE-2024-20666
Hey checkyourlogs fans, Earlier this month, it was reported that Windows Server 2022 Security...
Read MoreCVE-2024-20272 Cisco Unity Connection Unauthenticated Arbitrary File Upload Vulnerability
Cisco Security Advisory was released today about the Cisco Unity Connection Unauthenticated Arbitrary File Upload Vulnerability.
Read MoreHow to use QNAP as object storage for Veeam Backup and Replication 12.1 with Immutability Backup
QNAP QuObjects application is free and certificated for objects with immutability, which means you can use it as object storage within Veeam for a backup repository that supports their immutability feature.
Read MoreMDE and DUO Status Report – #PowerShell #MDE
Hey Checkyourlogs Fans, Today I was asked by a client to verify the deployment of MDE and Cisco...
Read MoreFix failed to create website error on installing Veeam Backup Enterprise Manager 12.1 with Microsoft Defender Advanced Threat Protection
When you try to install or upgrade the Veeam Backup Enterprise Manager 12.1, it might fail to create a website, and the error code is 0x80070020.
Read MoreDefender Endpoint Recommendation – Change service executable path to a common protected location
Hey Checkyourlogs Fans, Today, we will look at a Security Recommendation regarding a Service...
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