We run security assessments for financial institutions every week. Credit unions, community banks, mortgage companies, insurance firms. The ones that worry us most aren't the organizations with low scores. They're the ones with high scores and the confidence that comes with them.
A strong Microsoft Secure Score creates a dangerous illusion. The dashboard says 78%. Leadership sees green. The IT team moves on to other priorities. Meanwhile, personal phones are reading member data without any mobile management. Three service accounts bypass MFA entirely. And the Conditional Access policy that was supposed to block legacy authentication has an exception list that hasn't been reviewed since 2024.
Those are Microsoft Secure Score gaps that don't show up on the dashboard. And those are the gaps that attackers find first.
Security scores measure what's easy to count. They don't measure everything that matters. We routinely find three categories of security score blind spots hiding behind impressive dashboards:
Attackers don't care about your aggregate score. They specialize in finding the one Conditional Access gap you forgot about. Your score won't chase exceptions, flag shadow BYOD, or catch the "temporary" workaround that became a permanent fixture. You have to look past the dashboard to see the real picture.
BYOD in financial services often translates to "Bring Your Own Risk." When a personal phone has access to customer data, member records, or borrower documents with zero safeguards, you've created an undocumented attack surface that no security score will flag.
Lose the phone? There's no selective wipe capability. Click a phishing link? You've just handed an attacker a foothold into your environment. And because the device isn't managed, you won't see the compromise in your monitoring tools.
BYOD security for financial services doesn't mean banning personal devices. It means putting work data in a secure container on those devices and drawing a clear line between personal and organizational data. People stay productive. Regulated data stays protected. Nobody's personal photos get inspected. Simple, respectful, enforceable.
A cybersecurity incident at a financial institution isn't an abstract IT problem. It's an operational crisis that hits the business immediately:
One unmanaged phone or a single account without MFA enforcement can cascade into frozen operations, regulatory notifications, and the kind of public cleanup that erodes customer trust for years. This isn't about buying more tools. It's about closing the gaps that your security score doesn't see. A managed IT provider built for regulated environments catches these gaps as part of their normal operations.
Our approach to mobile device security compliance is deliberately boring. It works, people accept it, and it doesn't wreck productivity. Here's how it rolls out:
MAM first. Start with Mobile Application Management. Think of it as putting your work apps and data inside a locked container on a personal phone. Set a PIN for work apps, encrypt what's inside, block copy-paste to personal apps, and wipe the container remotely if needed. The rest of the device stays untouched. No "IT can see my photos" concerns. No pushback from staff.
MDM when it makes sense. Once the container model is normal, expand to Mobile Device Management for roles and scenarios that require device-level controls. That means enforcing OS versions, encryption, screen lock requirements, jailbreak detection, and mobile threat defense. Use MDM for high-risk roles, shared devices, or situations where native mail access is required. Adoption goes smoother because you earned trust first.
This staged approach works for credit unions with 100 employees and mortgage companies with 500 loan officers. It scales because it starts with the least invasive, highest-impact control.
Tools don't enforce themselves. The financial institutions that actually close their MFA enforcement gaps and BYOD exposure do three things consistently:
That's the difference between a security policy that lives in SharePoint and a program that actually protects your customers and your brand.
Real security isn't the number on your dashboard. It's the absence of unmanaged back doors, lingering policy exceptions, and orphaned accounts. It's connecting those fixes to business outcomes: operations run on schedule, customers stay confident, and examiners nod instead of writing findings.
If your Microsoft Secure Score looks strong but something feels off, you're probably right. Start with the phone in everyone's pocket. Lock the data today, raise the device bar next, and let your leadership cadence turn policy into practice.
That's how you turn "secure on paper" into secure in production.
Get a free Microsoft 365 Security Assessment to see what your Secure Score isn't telling you. Or talk to an ABT security specialist about closing the gaps your dashboard can't see.
The most common Microsoft Secure Score gaps include unmanaged personal devices accessing regulated data, service accounts that bypass multi-factor authentication, Conditional Access policy exceptions that were never cleaned up, and legacy authentication protocols that remain enabled. These gaps do not reduce the aggregate score but create exploitable attack surfaces.
Mobile Application Management creates a secure container for work apps and data on personal devices without managing the device itself. The organization controls the work container including encryption, PIN requirements, and remote wipe. Personal apps, photos, and browsing remain private and unmonitored. This approach balances BYOD security for financial services with employee privacy expectations.
MFA enforcement alone does not address device security, data loss prevention, or Conditional Access policy gaps. Attackers can compromise MFA-protected accounts through token theft, session hijacking, or social engineering. Financial institutions need layered security that combines MFA with device compliance checks, application protection policies, and continuous monitoring.
Mobile Application Management controls work apps and data within a secure container on personal devices without managing the device itself. Mobile Device Management provides full device-level control including OS enforcement, encryption requirements, and threat detection. Most financial institutions deploy MAM first for broad coverage, then add MDM for high-risk roles that need device-level compliance.
Financial institutions should review their Microsoft Secure Score monthly at minimum, with a deeper security assessment quarterly. The score itself should be treated as a starting point rather than a definitive measure. Monthly reviews should include exception list cleanup, MFA enrollment verification, Conditional Access policy validation, and BYOD compliance status across all managed devices.