365 to 365 Migration Explained: From Exchange Online to Microsoft 365 Groups

365 to 365 Migration Explained: From Exchange Online to Microsoft 365 Groups

 

365 to 365 migration refers to the process of transferring data, resources, and user identities from one Microsoft 365 tenant to another. This often occurs during corporate mergers, acquisitions, divestitures, or tenant restructuring, necessitating a comprehensive Microsoft 365 tenant migration strategy. Unlike simpler data migrations, a 365 tenant-to-tenant migration encompasses complex components such as Office 365 email migration, SharePoint Online migration, OneDrive migration, and Microsoft Teams migration, relying on robust tenant-to-tenant migration tools and best practices to ensure seamless data relocation.

(more…)

Microsoft Office 365: How to Setup DMARC Record and Improve Email Authentication

Microsoft Office 365: How to Setup DMARC Record and Improve Email Authentication

 

Domain-based Message Authentication, Reporting, and Conformance (DMARC) is a critical email authentication protocol standardized by RFC 7489 designed to enhance email security by preventing domain spoofing and email fraud. DMARC builds upon two foundational authentication mechanisms — Sender Policy Framework (SPF) and DomainKeys Identified Mail (DKIM) — by enabling domain owners to publish policies that instruct receiving mail transfer agents (MTAs) on how to handle messages that fail authentication checks.

(more…)

Integrating Google Apps DKIM With SPF And Dmarc For Complete Email Security

Integrating Google Apps DKIM With SPF And Dmarc For Complete Email Security

 

In today’s cyber threat landscape, robust email security is paramount for organizations leveraging Google Workspace and Gmail as their primary communication tools. Integrating DomainKeys Identified Mail (DKIM) with Sender Policy Framework (SPF) and Domain-based Message Authentication, Reporting, and Conformance (DMARC) offers a comprehensive approach to email authentication and fraud prevention.

(more…)

DMARC reporting: When to enable it and how to address privacy concerns

DMARC reporting: When to enable it and how to address privacy concerns

DMARC reporting: When to enable it and how to address privacy concerns

by DuoCircle

 

DMARC reports are an essential aspect of your email authentication setup. Unlike what most organizations think, DMARC is not a one-time stint that you can implement and forget about. To get the most out of the authentication protocol and properly protect your domain, you must stay on top of things and monitor what’s going on in your domain.

(more…)

Hackers Hijack WordPress, SonicWall Backup Breach, Oracle Data Theft – Cybersecurity News [October 06, 2025]

Hackers Hijack WordPress, SonicWall Backup Breach, Oracle Data Theft – Cybersecurity News [October 06, 2025]

Hackers Hijack WordPress, SonicWall Backup Breach, Oracle Data Theft – Cybersecurity News [October 06, 2025]

by DuoCircle

 

We are once again back with fresh news pieces highlighting the important news where major platforms and giant industries have been targeted. To start with, a critical WordPress flaw is being widely exploited to hijack administrator accounts, with over 13,800 attack attempts recorded. SonicWall confirmed that firewall backup files for all cloud backup customers were exposed in a breach, overturning earlier claims of limited impact.

(more…)

Jaguar Land Rover cyberattack: How a lack of cybersecurity systems led to catastrophe!

Jaguar Land Rover cyberattack: How a lack of cybersecurity systems led to catastrophe!

Jaguar Land Rover cyberattack: How a lack of cybersecurity systems led to catastrophe!

by DuoCircle

 

Jaguar Land Rover, the biggest car manufacturer in the UK, has come to a complete standstill after the recent cyberattack incident. JLR is still struggling with the aftermath of the severe cyberattack. This unfortunate incident is a staggering reminder of how modern-day manufacturers are prone to threat attacks. 

(more…)

Verified Lists + Sequenced Outreach for Safer Sending

Verified Lists + Sequenced Outreach for Safer Sending

Cold outreach has always been a tightrope walk. On the other hand, businesses and recruiters are seeking to connect with new prospects and initiate conversations. On the other, sending too many emails to the wrong people at the wrong time can harm the sender’s reputation, kill deliverability, and even have a domain blacklisted.

(more…)

Why SPF, DKIM, and DMARC are becoming mandatory in sectors like aviation and energy

Why SPF, DKIM, and DMARC are becoming mandatory in sectors like aviation and energy

Why SPF, DKIM, and DMARC are becoming mandatory in sectors like aviation and energy

by DuoCircle

 

Email-based cyberattacks are everywhere. They are more rampant in some industries and have grave consequences in others. For sectors that operate on very high stakes, like aviation and energy, the impact of these attacks is usually very serious and sometimes, at a scale that can disrupt other critical services as well.

  (more…)

Pin It on Pinterest