easySecure Coding
Support Log Redactor
Remove emails, card-like numbers, and named secrets from support logs.
Practice challengeCodeArena challenge library
12 challenges match your filters.
easySecure Coding
Runner Log Redactor
Redact sensitive patterns from code-runner diagnostics.
Practice challengemediumSecure Coding
Application Note Redactor
Remove contact and secret material from operational notes.
Practice challengehardSecure Coding
Webhook Error Redactor
Redact sensitive values before webhook errors are persisted.
Practice challengeeasySecure Coding
Scholarship Source Allowlist
Validate a scholarship URL against an official-host allowlist.
Practice challengeeasySecure Coding
Runner Callback Allowlist
Validate a runner callback target.
Practice challengemediumSecure Coding
Document Fetch Allowlist
Validate a remote document source without private-network access.
Practice challengehardSecure Coding
Institution API Allowlist
Validate an institutional API endpoint.
Practice challengeeasySecure Coding
Marketplace Permission Decision
Evaluate deny-overrides marketplace permissions.
Practice challengeeasySecure Coding
Admissions Permission Decision
Evaluate admissions workspace authorization rules.
Practice challengemediumSecure Coding
Family Permission Decision
Evaluate guardian and child resource permissions.
Practice challengehardSecure Coding
Runner Permission Decision
Evaluate runner operations under deny-overrides policy.
Practice challenge