Phishing inside Microsoft 365 rarely looks obvious any more. It looks like a supplier request in Outlook, a fake Teams-related notification, or an executive impersonation email aimed at finance, payroll or procurement. Prima Secure helps organisations in South Africa and across Africa turn Microsoft 365 anti-phishing controls into a working defence that is tuned to your users, domains and risk profile.
Prima Secure is a cybersecurity and IT security solutions provider and reseller, so you can get more than a basic mail policy. We combine Microsoft 365 configuration, layered email security, domain authentication, endpoint protection and managed security services to reduce the chance of phishing emails leading to account takeover, payment fraud or data loss.
Microsoft 365 anti-phishing protection from Prima Secure for business email
Prima Secure helps you secure Microsoft 365 email with a practical mix of native controls and added protection where it matters. That can include Microsoft 365 anti-phishing policies, Defender for Office 365 features such as impersonation settings and phishing email thresholds, DMARC alignment, and cloud email security that can block advanced phishing across inbound and internal communications in real time before users receive it.
“Prima Secure can apply Microsoft 365 anti-phishing policies to all recipients or create custom protection for specific users, groups and domains.”
This is the right fit if Microsoft 365 is central to how your organisation works. Outlook, Teams, OneDrive and the rest of the Microsoft 365 stack are critical business tools, which means phishing protection needs to match the way your people actually communicate, share files and approve work.
Prima Secure supports businesses and enterprises that need protection without unnecessary complexity. If you run a single Microsoft 365 tenant, manage several domains, or need stronger controls for executives and finance teams, we shape the setup around those realities instead of relying on a one-size-fits-all policy.
Prima Secure configures Microsoft 365 anti-phishing policies around your users, groups and domains
Microsoft 365 gives you a default anti-phishing policy that applies to all recipients, and it also allows custom policies for specific users, groups or domains. Prima Secure uses that flexibility to create a cleaner baseline for everyone while tightening protection for the people most likely to be targeted, such as leadership, payroll, finance, HR and customer-facing teams.
“With Defender for Office 365, Prima Secure can add impersonation settings and phishing email thresholds beyond basic anti-phishing features for cloud mailboxes.”
In Microsoft Defender, these controls sit under Email & Collaboration, Policies & rules, Threat policies and Anti-phishing. Prima Secure handles the planning, scoping and implementation so you are not left deciding on thresholds, impersonation coverage and policy targeting without context.
A well-built policy set normally includes several moving parts. Prima Secure helps you bring them together in a way that is easier to manage:
- Baseline protection: Default anti-phishing settings for all recipients so no mailbox is left outside the core policy.
- Targeted protection: Custom policies for high-risk users, departments, groups, shared mailboxes or domains.
- Impersonation controls: Stronger checking for executive, supplier or internal lookalike attacks where Defender for Office 365 is in scope.
- Mail handling logic: Clear thresholds and actions so suspicious messages are treated consistently.
- Policy visibility: A documented configuration that your IT and security teams can review, maintain and audit.
That matters because phishing risk is rarely evenly distributed. Prima Secure helps you avoid the common gap where everyone gets the same controls even though your executive team, finance users and privileged accounts face a different level of exposure.
Layered Microsoft 365 phishing defence with DMARC, SPF, DKIM and email security
A Microsoft 365 anti-phishing policy is important, but it is not the whole answer. Security guidance from CISA recommends pairing user awareness with technical controls such as DMARC, secure email gateway capabilities, web protections and endpoint protections, because even well-trained users can still be deceived by convincing phishing messages.
“Prima Secure strengthens Microsoft 365 phishing protection with DMARC, SPF, DKIM and layered email security for Office 365.”
Prima Secure builds that layered model around your Microsoft 365 environment. We can help align DMARC with SPF and DKIM so spoofed email is easier to identify and quarantine, and we can add email security solutions that are designed to protect Office 365 from phishing, impersonation, spam and malware-free business email compromise attacks.
Prima Secure’s wider email security portfolio gives you options when native controls are not enough. Our cloud email and productivity suite protection covers Office 365, and our solution range includes technologies that detect and block advanced phishing across inbound and internal communications in real time, plus products that use NLP and machine learning to help stop targeted impersonation and business email compromise.
Here is how Prima Secure typically structures protection around Microsoft 365 mail:
| Security layer | What Prima Secure puts in place | What improves for you |
|---|---|---|
| Microsoft 365 anti-phishing policies | Default and custom policies by user, group or domain | More precise protection and fewer blanket settings |
| Defender for Office 365 controls | Impersonation settings and phishing thresholds where licensed | Better handling of targeted attacks and spoofing attempts |
| Domain authentication | DMARC, SPF and DKIM alignment | Stronger sender verification and reduced spoofing risk |
| Email security gateway | Advanced phishing detection for inbound and internal email | More malicious mail blocked before users interact with it |
| Endpoint and managed security | Endpoint protection, MDR or SIEM-linked monitoring | Better containment if a phishing attempt reaches a user |
Prima Secure links Microsoft 365 phishing controls to managed security and faster response
If your concern is not just prevention but ongoing visibility, Prima Secure can connect Microsoft 365 email protection to broader managed cybersecurity services. That is useful when phishing risk overlaps with endpoint compromise, identity misuse, suspicious sign-ins or data loss concerns.
Prima Secure’s end-to-end model means you do not need one supplier for certificates, another for email security and a third for SOC support. We can align Microsoft 365 email protection with endpoint security, MDR, SIEM, identity security, backup and disaster recovery so phishing is treated as part of a wider attack path rather than as an isolated inbox problem.
That joined-up approach also helps with procurement and rollout. Because Prima Secure offers a broad cybersecurity catalogue and local support in South Africa, you can move from policy review to technology selection and deployment without trying to stitch together disconnected vendors and support channels.
Prima Secure is a strong fit for Microsoft 365 anti-phishing projects with compliance and operational pressure
Many organisations already have Microsoft 365 in place but are unsure whether the current anti-phishing configuration is sufficient. Prima Secure helps you decide what should stay native, what should be tightened, and where extra controls are justified by actual risk.
We are usually a strong fit when your organisation needs one or more of the following:
- Higher-risk user protection: Executives, finance teams, payroll, procurement or administrators need tighter anti-impersonation controls.
- Multi-domain or group-based policy design: Different subsidiaries, brands, business units or partner domains need different policy treatment.
- Layered controls beyond Microsoft 365 defaults: You want DMARC, SPF, DKIM, email gateway protection and endpoint safeguards working together.
- Managed oversight: Your internal team wants help with monitoring, tuning, escalation or wider security integration.
- Local support in Africa: You want a provider that understands regional business requirements while delivering enterprise security technologies.
Prima Secure also makes sense if you want to reduce guesswork before buying extra tools. We can review your current Microsoft 365 setup, identify where default protection may be too broad or too light, and recommend a native-only or layered option that fits your environment and security goals.
Talk to Prima Secure about protecting Microsoft 365 against phishing
If phishing is exposing your Microsoft 365 users, domains or executive accounts, Prima Secure can help you put the right policy structure and security layers in place. Speak to Prima Secure about your current Microsoft 365 setup, the users you need to protect, and whether you need stronger anti-phishing policies, Defender for Office 365 controls, DMARC alignment or a broader email security stack.