Privacy and security settings are the configuration controls on devices and applications that limit how information is shared, stored, and accessed. Turning them on helps reduce unnecessary exposure when using new devices or digital services. They are a basic but important control for remote work hygiene and personal data protection.
What privacy and security settings do
privacy and security settings are the built-in controls that determine how much a device, app, or service can see, collect, share, or store by default. They are the first place to reduce unnecessary exposure, especially when someone starts using a new phone, account, browser, or cloud service.
Well-chosen settings help align everyday use with the principle of limiting data collection and access to what is actually needed. That matters because the strongest privacy and security outcome usually comes from defaulting to less sharing, fewer app permissions, and tighter account controls rather than relying on later cleanup.
Where these settings matter most
The term covers consumer and workplace technologies alike, but the highest-value settings are usually the ones tied to location, contacts, photos, microphone, camera, account recovery, sign-in, sharing, and ad tracking. A browser, phone, smart TV, messaging app, or productivity platform can all expose more information than users expect if its controls are left at permissive defaults.
These settings are also a practical way to separate convenience from exposure. For example, a feature that improves personalization may also increase tracking, while a sharing feature that makes collaboration easier may also widen the audience for files, posts, or device data. The right setting is often the one that matches the actual use case, not the most permissive option.
Why default settings are often too open
Many services are designed to maximize engagement, speed of onboarding, or data collection. That means the default configuration may enable broad telemetry, pre-approved permissions, or account recovery options that are useful for the vendor but broader than a cautious user would choose. Turning these controls down is a basic form of exposure reduction.
For a practical consumer-facing example, browser and account privacy controls can reduce tracking, while device security controls can reduce loss or misuse if the device is stolen. Privacy-Respecting Browsers and Search Guide and Securing Your Smartphone Guide both reflect how small setting changes can materially reduce unnecessary exposure.
How to think about privacy and security configuration
The most useful mindset is to treat settings as part of a system design choice, not a one-time checklist. A strong configuration usually reflects data minimisation, limited sharing, restricted app permissions, and an awareness of which features are needed for daily use versus which merely collect or reveal more information.
That is why settings should be reviewed when you install a new app, sign into a new service, hand over a device, or change how you use an account. The same logic applies to home computing and connected devices, where built-in security options can reduce exposure before any incident occurs. Securing Home Computers and Securing Smart TVs and IoT at Home Guide are examples of this broader configuration approach.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
NIST CSF 2.0 sets the technical controls, while ISO/IEC 27001:2022 defines the regulatory obligations.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIST CSF 2.0 | PR.AA-05 — Identity Management, Authentication and Access Control | Privacy and security settings govern who can access data and features. |
| PR.DS-01 — Data-at-rest protection | Settings often control storage, sharing and local data exposure on devices and apps. | |
| PR.DS-10 — Data in use protection | Privacy settings often limit what is visible or collected during normal use. | |
| Recommendation — Review access-related settings to limit exposure to only approved users and services. Enable storage and sharing protections that reduce unnecessary data exposure. Configure privacy controls that minimise data exposure while the service is being used. | ||
| ISO/IEC 27001:2022 | A.8.12 — Data leakage prevention | These settings directly reduce accidental sharing and overexposure of information. |
| A.8.24 — Use of cryptography | Device and app settings often include encryption and secure transport options. | |
| Recommendation — Apply settings that prevent unnecessary disclosure of sensitive information. Enable cryptographic protections where the platform offers them. | ||
Practitioner Guidance
What to watch for: The highest-risk settings are usually the ones that are easy to overlook because they look harmless, such as location sharing, third-party app access, public profile visibility, cloud sync, and broad account recovery options. When a setting changes what others can see or what a platform can retain, it deserves deliberate review.
Practitioner takeaway: The safest default is rarely the most convenient one, so privacy and security settings should be reviewed whenever a device, app, or account becomes part of regular use.
Related resources from NHI Mgmt Group
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Reviewed and updated by the NHIMG editorial team on October 30, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org