Need indicators
This capability is usually relevant when these signals appear in the operating environment.
Undocumented APIs.
Multiple external integrations.
Missing rate, validation, or authorization controls.
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What is this solution?
An API security gateway is a shared enforcement point between consumers and backend services. It can validate client identity and tokens, check request shape, or enforce consumption limits before routing. Record-level access and transaction logic remain backend responsibilities where the gateway lacks that context.
An API security gateway can combine OpenAPI schema validation with API rate limiting before routing; the service still authorizes each operation.
Practical example
A partner application joins an enterprise API. The team tests accepted and rejected requests at the gateway and checks what authorization the application must enforce itself.
Technical summary and scope of use
Technical explanation
These capabilities describe this layer within the integrated protection architecture. Availability depends on the licensed components and integrations.
Scope of use
Validate request checks, authorization, and consumption policies on the selected gateway. Object-level authorization remains an application responsibility where required.
What it delivers
Core capabilities that turn the requirement into practical controls.
API request validation
Connection and protocol management
Session and identity protection
Expected value
The impact security teams and leadership can expect from the right implementation.
Lower integration risk
Clearer API governance
Better abuse detection
Technical capabilities
Feature availability depends on product version, target systems, deployment, and integrations.
API request validation
Check each HTTP(S) request before it passes to the application
Inspect a sample in the supported scope and compare the signals with both normal and unusual activity.
Protocol and request normalization to prevent filter bypass
Normalize requests before gateway inspection, and test that the upstream service interprets the relevant request components consistently.
Positive security model: deny requests unless explicitly allowed
Test the scenario that triggers protection and a similar legitimate case to tune false positives.
Implementation of compliance with JSON and OpenAPI schemes
Compare request structure with the agreed API contract before forwarding it; test unexpected fields.
Blocks the infringed requests for the definition of the interface
Combine relevant detection signals and review blocking impact on legitimate traffic before production.
API protection through API keys, dynamic client registration, throttling and JSON object attack filters
Limit request rates by client or route to protect the service without blocking normal use.
Protection from DoS on Seventh Class
Gateway controls limit abusive requests within available capacity; volumetric floods may need upstream protection.
Protection against bots and automatic attacks
Distinguish suspicious automation from normal traffic and test exceptions for legitimate integrations.
Threat Intelligence, Webroot Feed Integration and GEO Filters
Combine relevant detection signals and review blocking impact on legitimate traffic before production.
Connection and protocol management
HTTP(S) reverse proxy
Receive connections in front of the service, then apply policy before forwarding requests.
TLS termination
Terminate TLS at the gateway for inspection and define how the connection to the application is protected.
OCSP and OCSP stapling
Check certificate revocation status and validate connection behavior when status lookup is unavailable.
Support to Encrypt
Integrate certificate enrollment or renewal with a compatible issuer; test authorization, renewal, and revocation.
Integrated with HSM
Integrate key operations with hardware protection where supported and review key export restrictions.
Service virtualization and content rewriting
Expose or rewrite service paths or content and verify that expected application behavior is preserved.
ICAP interface high availability
Send covered content to an external inspection service and define gateway behavior if the service is unavailable.
Session and identity protection
Access control when integrated with the identity system
Identify both integration endpoints and the data they exchange; verify behavior if either endpoint is unavailable.
Single Sign-On
Associate users or groups with authorized scope and review how membership changes affect access.
Enforcement Point for Access Rules
Turn organizational requirements into testable settings and define who may approve exceptions.
Secure session management
Associate users or groups with authorized scope and review how membership changes affect access.
JWT and Connecting JWKS servers
Verify token signature, issuer, audience, and expiry before accepting the request.
Supports OAuth 2.0, OpenID Connect 1.0 and SAML 2.0 when integrated with the ID system
Federate sign-in through an identity provider; validate token issuer, audience, and expiry.
Identity propagation of old systems that do not support modern standards
Associate users or groups with authorized scope and review how membership changes affect access.
Integration and Monitoring
Integration with SIEM.
Send structured events to monitoring and verify that key fields arrive with the event time and asset context.
Integrated with viral scans.
Send supported files or content for inspection before routing and define gateway behavior if inspection is unavailable.
Integration with fraud prevention systems.
Identify which request signals feed the fraud integration and what happens when no decision is available.
Integrated with HSM
Integrate key operations with hardware protection where supported and review key export restrictions.
Integrate records with Splunk, Logpoint, ArcSight and others
Send structured events to monitoring and verify that key fields arrive with the event time and asset context.
Organized records in JSON format
Record what happened, when, and in which scope; review event fields and retention for investigation and audit.
Common Event Format (CEF) support
Send structured events to monitoring and verify that key fields arrive with the event time and asset context.
Lucene query syntax
Show activity within the covered scope and associate events with an asset or session during review.
Access statistics
Show activity within the covered scope and associate events with an asset or session during review.
Places ready for safety, performance and failure detection
Present reviewable results to compare changes and identify cases requiring action.
Custom visualizations
Show activity within the covered scope and associate events with an asset or session during review.
Availability and Continuity
High availability through failover cluster with active-passive and active-active
Reduce disruption from a component failure; test actual failover and recovery to normal operation.
Load balancing
Distribute traffic across endpoints; verify session behavior and removal of unhealthy targets.
health checks
Detect an unhealthy target so traffic is withheld until it is ready again.
Operations and Cloud Infrastructure
Deploy as a virtual appliance or cloud image
Confirm environment requirements, supported versions, and dependencies before moving the configuration to production.
Operating support as a cloud image compatible with AWS, Google Cloud and Azure
Confirm environment requirements, supported versions, and dependencies before moving the configuration to production.
Operating support in Alibaba Cloud
Confirm environment requirements, supported versions, and dependencies before moving the configuration to production.
Configuration management
Confirm environment requirements, supported versions, and dependencies before moving the configuration to production.
Automatic rule suggestions and policy learning
Review proposed rules against legitimate traffic before enforcement; automation alone is not a reason to approve them.
Staging support
Test rules against representative traffic before production and define rollback if unintended impact appears.
Automation via REST API
Connect defined actions or data to other systems; review authorization, authentication, and failure handling.
What to validate before rollout
- Identify endpoints, operations, and permitted consumers.
- Assess request and identity checks and usage limits where the gateway supports them.
- Test invalid requests and insufficient permissions and confirm where enforcement happens.
Integration and scope
Validate request checks, authorization, and consumption policies on the selected gateway. Object-level authorization remains an application responsibility where required.
Regulatory alignment
Illustrative ways to support control implementation. An area may have more than one example; each row is not necessarily a separate official control.
NCA · ECC 2:2024For entities within the scope of the Essential Cybersecurity Controls.
| Domain or control | How it supports implementation | Application |
|---|---|---|
| Security of web applications. | The protective layer provides web applications and APIs, with HTTP(S) requests checking and communication security verification. Related capability: Web Application Protection Wall, APIs Protection, HTTPS/TLS | Applied |
| Events records and monitoring | Provide organized records, access statistics, tracking panels, and link to monitoring and analysis systems Related capability: JSON records, tracking panels, SIEM integration, Common Event Format | Applied |
| Cryptography | Support communication encryption, certificate verification and integration with key management units Related capability: TLS; OCSP; HSM integration; URL encryption | Applied |
| Cyber flexibility and continuity of business | Supports high availability, burden balance, and backup failure mechanisms Test failure and recovery paths. This capability does not replace a complete continuity or recovery plan. Related capability: High availability; failover; load balancing; health checks | Applied |
NCA · OTCC-1:2022For operational technology and industrial control environments to which the controls apply.
Evaluate these examples against the facility level and assets in scope. They do not authorize IT/OT connectivity or component installation on operational assets without assessment.
| Domain or control | How it supports implementation | Application |
|---|---|---|
| Visibility and monitoring | Provide organized records, tracking panels, access statistics, and link to monitoring and analysis systems Related capability: logging; dashboards; SIEM integration | Applied |
| Access control | Supports access control, standard login registration, and verification of characteristics when integrated Use only authorized paths and assets. Network isolation and remote-access approval requirements still apply. Related capability: access control; Single Sign-On; JWT; JWKS | Applied |
| Protection of Protocols | Supports verification of HTTP(S) protocols and verification of JSON and OpenAPI schemes Related capability: protocol validation; OpenAPI enforcement | Applied |
| Incident response | Supports the collection and connection of records and events with security analysis and monitoring systems Verify asset compatibility and test operational impact before deploying an agent or taking response action in an OT environment. Related capability: structured logs; SIEM; Common Event Format | Applied |
| Protection of industrial environments | Supports the protection of web applications and APIs used within industrial environments or between connectivity zones Related capability: WAF; API gateway | Applied |
“Applied” describes the capability in the illustrative example, not an implementation or compliance status for the customer.
Decision questions
Questions before you start
How do we know this solution is right for us?
Start with the risk signals on this page. If they match your environment, they can be turned into a short assessment that defines scope, priority, and a practical implementation approach.
How do we start without adding operational complexity?
Start with a focused risk and scope assessment, then define implementation priorities, technical requirements, and phased rollout steps.
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