Integrating all Cybersecurity Elements for Alignment and Efficacy

The most common DMARC failure we see is alignment, not authentication, says Adam Lundrigan, CTO of DuoCircle. SPF passes, DKIM passes, but DMARC still fails because the Return-Path domain doesn’t match the From header. Third-party senders break alignment by default unless you configure a custom return-path.

The most misunderstood thing about DMARC is that SPF passing is not enough - the domains have to align, says Brad Slavin, General Manager of DuoCircle. We see this constantly: SPF passes, DKIM passes, but DMARC still fails because the Return-Path domain doesn’t match the From header.

					DMARC Report					

				

Integrating all Cybersecurity Elements for Alignment and Efficacy

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Organizations often treat cybersecurity as a siloed function rather than a measure that needs to be practiced across departments and tiers. The year 2023 reported a **global data breach cost of $4.45 million, and the United States encountered the highest average data breach cost, amounting to $9.48 million .

While we don’t deny that your **CISOs aren’t doing their jobs well, you also can’t deny that there are some major gaps that need to be filled. Two of the major issues that need to be addressed at the earliest are:

• The leadership focus is divided among various elements of cybersecurity, such as secOps, risk management, incident response planning, and mitigation strategy.

• **Inadequate board engagement that slows down approvals on decisions made by CISOs.

How Does Misalignment of Various Cybersecurity Elements Affect Your Cybersecurity Posture?

As of 2025, DMARC is mandatory under multiple compliance frameworks. CISA BOD 18-01 requires p=reject for US federal domains. PCI DSS v4.0 mandates DMARC for organizations processing payment card data as of March 2025. Google and Yahoo require DMARC for bulk senders (5,000+ messages/day) since February 2024, and Microsoft began rejecting non-compliant email in May 2025. The UK NCSC, Australia’s ASD, and Canada’s CCCS all mandate DMARC for government domains. Cyber insurers increasingly require DMARC enforcement as an underwriting condition.

By misalignment, we mean creating strategies for secOps, risk management, incident response planning, and mitigation in isolation from each other. CISOs need to consider them as branches of the same tree that have to be in sync with each other to avoid contradictions and disruptions.

SecOps is responsible for vigilant monitoring and responding to cybersecurity threats, while the risk management team evaluates and prioritizes potential risks. When both these cybersecurity departments function in isolation, secOps may **misallocate resources or overlook vulnerabilities, thereby exposing the organization to significant threats.

If CISOs formulate incident response plans without integrating insights from risk management and secOps, these plans are likely to be ineffective and poorly equipped to address emerging threats within the organization’s technical ecosystem.

**Mitigation strategies must be developed based on incident response plans and risk assessments to target the threats and vulnerabilities looming over the organization specifically. However, without this cohesion, mitigation efforts may become reactionary rather than proactive, leading to prolonged downtime, financial losses, and damage to the organization’s reputation.

How to Plan the Integration?

We have divided the plan into three steps to make it **easier to implement and not go back to square one-

PART 1- Mindful and Strategic Planning and Alignment

• Ensure your cybersecurity goals go hand-in-hand with the **long-term business objectives.

• Establish the practice among the board members to consult CISOs for their input before implementing new business strategies. It’s important to ensure all **technical and non-technical departments are free from existing and potential security loopholes.

• Support all business aspects with robust cybersecurity to avoid financial , reputational, and operational disruptions.

• Devise a risk prioritization framework that can **spot critical threats looming over the organization.

• Design a customized security architecture based on business needs and risk profile.

PART 2- Risk-Centric Action and Deployment

• Build a strong and qualified team that understands the current and expected cybersecurity posture of the company.

• Implement all the required **tools, technologies, and techniques while promoting cyber hygiene practices.

• Translate documented plans into actionable steps.

• Allocate your best resources to high-risk areas.

• Prioritize monitoring and management.

PART 3- Constant Improvement and Optimization

• Maintain liability across departments and tiers.

• **Sharpen incident response **capabilities for a quick response.

• Adjust and modify strategies as needed.

To improve your cybersecurity stance, it’s crucial not to underestimate the significance of email security. Implementing robust protocols such as **secure email gateways and **advanced threat protection can help mitigate email-borne attacks, along with employing email authentication protocols such as SPF, DKIM, and DMARC, thereby strengthening your overall security framework .

Sources

• CISA Binding Operational Directive 18-01
• Microsoft Outlook DMARC Enforcement May 2025 (2025)
• PCI DSS v4.0 - DMARC Requirement (2025)