API security: BOLA, Broken Access Control, and authorization mistakes in 2026
API security: BOLA, Broken Access Control, and authorization mistakes in 2026. A practical PAS7 Studio security guide with threat model, controls, rollout checklist, pitfalls, and sources.
Cybersecurity 2026: attack, detection, and defense guide
A PAS7 Studio series on practical cybersecurity in 2026: common attack paths, detection signals, and concrete defensive patterns.
All articles in this guide
01
Cybersecurity in 2026: common attacks and practical defense baseline
A high-level map of attack types and the minimum defense controls for people, products, and teams.
02
Phishing, vishing, and credential theft in 2026
Deep dive into modern phishing and identity abuse patterns with practical defensive controls.
03
Ransomware and data extortion defense in 2026
How to prepare for ransomware with segmentation, backups, incident workflows, and recovery drills.
04
DDoS protection for websites, APIs, and edge
L3/L4/L7 DDoS patterns and architecture-level mitigation for availability and resilience.
05
Supply chain security for dependencies and CI/CD
Dependency risk, artifact trust, CI/CD hardening, and vendor access control.
06
API security: BOLA and access control failures
How authorization failures happen in real products and how to test for them.
07
Cloud misconfiguration and IAM risk in 2026
Cloud posture, IAM boundaries, exposed services, and continuous guardrails.
08
AI-assisted attacks and prompt injection
How AI changes attack speed and how to secure agents, tools, and RAG pipelines.
Many API bugs begin after successful authentication. The token is valid, the route exists, but the API does not ask whether this user can access this object.
Reliable authorization checks identity, policy, object ownership, and audit trail.
Identity
Identity: user, service account, API key, integration, or background job.
Policy
Policy: read, export, update, delete, invite, approve, refund, rotate key.
Object
Object: tenant, owner, state, sensitivity, lifecycle.
Every sensitive route needs negative tests.
Change an invoiceId, orderId, or fileId to another user and expect denia
Change an invoiceId, orderId, or fileId to another user and expect denial.
Use another tenant workspaceId and expect denial even with a similar rol
Use another tenant workspaceId and expect denial even with a similar role.
Try admin endpoints with normal user role and expect denial with audit e
Try admin endpoints with normal user role and expect denial with audit event.
BOLA often comes from small shortcuts repeated across endpoints.
Checking only isAuthenticated, not ownership.
Trusting tenantId or userId from the request body.
Checking role but not object state and tenant boundary.
Start with an inventory, define ownership, then add controls that can be tested in CI or in an operational drill.
No. Tooling helps only when policies, owners, logs, and response paths are clear.
PAS7 Studio can review architecture, access, logging, recovery processes, and product-level security controls, then turn the findings into a realistic hardening backlog.
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