Knowledge
Guides, analyses and compliance articles about critical infrastructure.
21 articles
Danish Energy Law and Access Control – What Executive Order 260 Requires
Since 7 March 2025, Danish Executive Order 260 sets concrete access control requirements for energy sites. Requirements, deadlines and supervision in one place.
Cyber Resilience Act – the 24-hour reporting duty that started 11 September 2026
Since 11 September 2026, manufacturers of products with digital elements must report actively exploited vulnerabilities within 24 hours. See what the CRA means for you – both as a manufacturer and as a buyer of smart locks and IoT equipment.
The CER Directive after 17 July 2026 – designated as a critical entity? The clock is running
The deadline for designating critical entities expired on 17 July 2026. If your organisation has been notified, you have 9 months for the risk assessment and 10 months to comply. Here is what CER requires of your physical security.
NIS2 in Denmark 2026 – 6,000 companies and active supervision
Denmark's NIS2 law has been in force since 1 July 2025, and supervision has begun. See how many companies are covered, what inspectors ask for, and which documentation you need to be able to produce.
From incident to regulatory report in 24 hours – without guessing
NIS2 gives you 24 hours for an early warning. See how an access incident is recorded automatically, escalated into a regulatory case and filed on time – with countdowns, PDFs and an unbroken chain of evidence.
Who is on site right now – and why? Purpose sessions with check-in
An access log shows that a door was opened. It does not show who is still inside. See how check-in and check-out with a stated purpose give you presence data for evacuation, lone working and contractor visits.
Compliance documentation that exists before the auditor asks
Most organisations only produce reports when the authority calls – and then discover the data is missing. See how scheduled reports, signed PDFs with SHA-256 and fixed cadences make documentation an automatic part of operations.
When the contractor borrows a key – and the log names the wrong person
Lending keys destroys traceability. See how controlled key sharing with master keys, sharing keys and individual shares gives contractors access without losing track of who actually walked in.
The access control was perfect – the door stood open for six hours
Access control knows who opened the door. It does not know whether the door was closed again. See how alarm sensors, alarm zones and auto-disarm catch forced entries without false alarms and show when a door is standing open.
API and Webhook Integrations – Automate Your Access Control with SnapKey
Overview of SnapKey's REST API and webhooks, with links to the developer documentation. Perfect for developers who want to automate access control and integrate with existing systems.
CER Directive – Complete Guide to Critical Infrastructure Compliance
Understand the CER Directive (EU 2022/2557) and learn how SnapKey helps secure your critical infrastructure with advanced access control and compliance.
Digital vs Physical Access Control – Complete Comparison 2025
Is digital access control better than physical keys? See the complete comparison of security, costs, traceability, and compliance support.
Access Control for District Heating – Secure Access to Substations and Cabinets
Digital access control for district heating companies. Replace lockboxes with traceable access to heat substations, exchanger stations, and technical rooms.
Access Control for Electricity Grid and Substations – CER & NIS2 Ready
Secure access to transformer stations, grid components, and technical rooms. Meet CER and NIS2 with battery-free, offline access control from SnapKey.
Digital Access Control for Housing Associations and Property Management
Give contractors, caretakers, and service staff access without physical keys. SnapKey for housing associations with a log of openings and automatic documentation.
Migration from Physical Keys to Digital Solutions – Complete Guide
Step-by-step guide to migrating from traditional physical keys to digital access control with SnapKey. ROI, change management, and best practices.
NIS2 Directive – Access Control and Cybersecurity Requirements 2025
The NIS2 law introduces enhanced requirements for cybersecurity and access control for businesses in critical infrastructure. Learn about the new requirements and how to achieve compliance.
SnapKey vs Traditional Key Management – How to Save Time and Money
Compare SnapKey with traditional methods like key cabinets, lockboxes, and physical keys. See how you save time, increase security, and achieve compliance.
Access Control for Utilities – Electricity, Water, Heat, and Gas
Battery-free, offline access control for critical infrastructure. Perfect for substations, pump stations, and off-grid locations with iLOQ and SnapKey.
Access Control for Water Utilities – Secure Access to Pump Stations and Facilities
Meet NIS2 and CER requirements with digital access control for water utilities. Traceable access to pump stations, reservoirs, and technical rooms.
Zero Trust and Access Control – The Future Security Model for Businesses
Zero Trust architecture is the new standard in cybersecurity. Learn how modern access control with SnapKey implements continuous verification and principle of least privilege.