How does WAF and anti-DDoS protection work?

It is not enough when the problem comes from roles, business logic, exports, secrets, logging, a vulnerable dependency, or a legitimate action granted to the wrong profile. A WAF reduces part of the exposure, but it does not replace application hardening or access governance.

First: authentication failures, access denials, input validation errors, administrative changes, exports, sensitive operations, unusual API calls, and security events around the pipeline or secrets. Logging should support real investigation, not just fill storage.

The exact duration depends on regulation and risk level, but logs must remain exploitable long enough for a serious investigation. On CI/CD and secret-related environments, keeping queryable logs for several weeks or months materially changes response capability.

Backups must be restored in tests, recovery times verified, the dependencies required for takeover reviewed, and the team must know what to restore and in which order. A backup only has value if it can be replayed in a realistic scenario.

Findings should be grouped by risk scenario, then fixes ordered by impact, probability, and feasibility. A good backlog separates what must be fixed immediately, what belongs to a larger structural workstream, and what can stay monitored until a later product or infrastructure step.

Teams often start with access, secrets, highly exposed routes, simple WAF or rate-limiting rules, then dependencies, logging, and deeper refactors. Order depends on real risk, but also on the ability to reduce it quickly without degrading service.

No. It should mainly protect the areas that can be abused: login, reset, public forms, uploads, search endpoints, costly APIs, or exposed administration routes. Poorly placed rate limiting can hurt legitimate usage as much as it blocks abuse.

You need to distinguish the dependencies that are actually exploitable in your scope, those that can be temporarily mitigated, and those that must be upgraded immediately. The most useful reading crosses real exposure, available fixes, and regression cost.

Security alone is not enough. Execution works when engineering owns implementation, product arbitrates workflow or roadmap impacts, and security keeps the risk and prioritization view. Without that trio, remediation quickly drifts into a decorative backlog.

Budget depends on the number of environments, exposed zones, rules to implement, dependencies to remediate, logs to centralize, and the level of support expected after the readout. The more live and critical the scope is, the more the engagement splits between quick wins and deeper hardening.