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Verifiers should look up the key by id, not assume a single global secret.",[531,688,689,690,695],{},"See ",[691,692,694],"a",{"href":693},"\u002Fuse-cases\u002Faudit\u002Fpipeline#signed","Drains & Integrity"," for the difference between HMAC and hash-chain.",[544,697,699],{"id":698},"redact","Redact",[531,701,702,703,706],{},"Audit events run through your existing ",[559,704,705],{},"RedactConfig",". Compose with the strict audit preset to harden PII handling:",[552,708,710],{"className":554,"code":709,"language":556,"meta":557,"style":557},"import { auditRedactPreset } from 'evlog'\n\ninitLogger({\n  redact: {\n    paths: [\n      ...(auditRedactPreset.paths ?? []),\n    ],\n  },\n})\n",[559,711,712,736,742,752,762,773,796,804,810],{"__ignoreMap":557},[562,713,714,718,720,723,725,728,730,733],{"class":564,"line":565},[562,715,717],{"class":716},"s7zQu","import",[562,719,620],{"class":590},[562,721,722],{"class":572}," auditRedactPreset",[562,724,611],{"class":590},[562,726,727],{"class":716}," from",[562,729,601],{"class":590},[562,731,732],{"class":604},"evlog",[562,734,735],{"class":590},"'\n",[562,737,738],{"class":564,"line":576},[562,739,741],{"emptyLinePlaceholder":740},true,"\n",[562,743,744,747,749],{"class":564,"line":642},[562,745,746],{"class":568},"initLogger",[562,748,582],{"class":572},[562,750,751],{"class":590},"{\n",[562,753,754,757,759],{"class":564,"line":660},[562,755,756],{"class":594},"  redact",[562,758,598],{"class":590},[562,760,761],{"class":590}," {\n",[562,763,765,768,770],{"class":564,"line":764},5,[562,766,767],{"class":594},"    paths",[562,769,598],{"class":590},[562,771,772],{"class":572}," [\n",[562,774,776,779,782,785,788,791,794],{"class":564,"line":775},6,[562,777,778],{"class":590},"      ...",[562,780,781],{"class":572},"(auditRedactPreset",[562,783,784],{"class":590},".",[562,786,787],{"class":572},"paths ",[562,789,790],{"class":590},"??",[562,792,793],{"class":572}," [])",[562,795,639],{"class":590},[562,797,799,802],{"class":564,"line":798},7,[562,800,801],{"class":572},"    ]",[562,803,639],{"class":590},[562,805,807],{"class":564,"line":806},8,[562,808,809],{"class":590},"  },\n",[562,811,813,816],{"class":564,"line":812},9,[562,814,815],{"class":590},"}",[562,817,663],{"class":572},[531,819,820,821,824,825,824,828,831,832,824,835,824,838,824,841,824,844,824,847,850,851,854,855,858,859,784],{},"The preset redacts ",[559,822,823],{},"authorization",", ",[559,826,827],{},"cookie",[559,829,830],{},"set-cookie",", and common credential key names (",[559,833,834],{},"password",[559,836,837],{},"token",[559,839,840],{},"apiKey",[559,842,843],{},"cardNumber",[559,845,846],{},"cvv",[559,848,849],{},"ssn",") ",[535,852,853],{},"at any nesting depth"," — including inside ",[559,856,857],{},"audit.changes.before"," \u002F ",[559,860,861],{},"audit.changes.after",[544,863,865],{"id":864},"gdpr-vs-append-only","GDPR vs append-only",[531,867,868],{},"Append-only audit logs collide with GDPR's right to be forgotten. Recommended pattern today:",[870,871,872,876,879],"ol",{},[873,874,875],"li",{},"Keep audit rows immutable.",[873,877,878],{},"Encrypt PII fields with a per-actor key (held outside the audit store).",[873,880,881],{},"To \"forget\" a user, delete their key — the audit row stays, the chain stays valid, the PII becomes unreadable.",[531,883,884,885,888,889,784],{},"A built-in ",[559,886,887],{},"cryptoShredding"," helper is on the ",[691,890,894],{"href":891,"rel":892},"https:\u002F\u002Fgithub.com\u002FHugoRCD\u002Fevlog\u002Fissues",[893],"nofollow","follow-up roadmap",[544,896,898],{"id":897},"retention","Retention",[531,900,901],{},"Retention is a storage-layer concern by design. evlog's audit layer doesn't enforce retention windows because every supported sink already has a stronger, audited mechanism for it. Pick the one matching your sink:",[903,904,905,918],"table",{},[906,907,908],"thead",{},[909,910,911,915],"tr",{},[912,913,914],"th",{},"Sink",[912,916,917],{},"Retention mechanism",[919,920,921,934,945,953],"tbody",{},[909,922,923,927],{},[924,925,926],"td",{},"FS",[924,928,929,930,933],{},"Combine ",[559,931,932],{},"createFsDrain({ maxFiles })"," with a daily compactor.",[909,935,936,939],{},[924,937,938],{},"Postgres",[924,940,941,942,784],{},"Schedule ",[559,943,944],{},"DELETE FROM audit_events WHERE timestamp \u003C now() - interval '7 years'",[909,946,947,950],{},[924,948,949],{},"Axiom \u002F Datadog \u002F Loki",[924,951,952],{},"Set the dataset retention policy in the platform.",[909,954,955,958],{},[924,956,957],{},"S3 Object Lock",[924,959,960],{},"Configure lifecycle rules + Object Lock retention period.",[531,962,963],{},"Document the chosen window in your security policy. Auditors care about the written rule, not the enforcing component.",[544,965,967],{"id":966},"common-pitfalls","Common Pitfalls",[969,970,971,984,1007,1013,1032,1046],"ul",{},[873,972,973,976,977,678,980,983],{},[535,974,975],{},"Logging only successes."," Auditors care most about denials. Always pair ",[559,978,979],{},"log.audit()",[559,981,982],{},"log.audit.deny()"," on the negative branch of every authorisation check.",[873,985,986,992,993,996,997,999,1000,824,1002,824,1004,1006],{},[535,987,988,989,784],{},"Leaking PII through ",[559,990,991],{},"changes"," ",[559,994,995],{},"auditDiff()"," runs through your ",[559,998,705],{},", but only if the field paths are listed. Add ",[559,1001,834],{},[559,1003,837],{},[559,1005,840],{},", etc. once globally so you never have to think about it again.",[873,1008,1009,1012],{},[535,1010,1011],{},"Treating audits as observability."," Don't sample, downsample, or summarise audit events. Force-keep is on by default — don't disable it.",[873,1014,1015,992,1022,1024,1025,858,1028,1031],{},[535,1016,1017,1018,1021],{},"Conflating ",[559,1019,1020],{},"actor.id"," with the session id.",[559,1023,1020],{}," is the stable user id (or system identity). Correlate sessions via ",[559,1026,1027],{},"context.requestId",[559,1029,1030],{},"context.traceId",", never via the actor.",[873,1033,1034,1037,1038,1041,1042,1045],{},[535,1035,1036],{},"Forgetting standalone jobs."," Cron tasks, queue workers, and CLIs trigger audit-worthy actions too. Use ",[559,1039,1040],{},"audit()"," (no request) or ",[559,1043,1044],{},"withAudit()"," to keep coverage parity with your HTTP routes.",[873,1047,1048,1055],{},[535,1049,1050,1051,1054],{},"Skipping ",[559,1052,1053],{},"await: true"," on the audit drain."," Without it, audits are fire-and-forget — a crash between the event being emitted and the drain flushing means the action happened but no audit row exists.",[1057,1058,1059],"style",{},"html pre.shiki code .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .sfNiH, html code.shiki .sfNiH{--shiki-light:#FF5370;--shiki-default:#FF9CAC;--shiki-dark:#FF9CAC}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .s7zQu, html code.shiki .s7zQu{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}",{"title":557,"searchDepth":576,"depth":576,"links":1061},[1062,1063,1064,1065,1066],{"id":546,"depth":576,"text":547},{"id":698,"depth":576,"text":699},{"id":864,"depth":576,"text":865},{"id":897,"depth":576,"text":898},{"id":966,"depth":576,"text":967},"Integrity, redact presets, GDPR vs append-only, retention windows, and the most common pitfalls when shipping audit logs to production.","md",[1070,1073],{"label":694,"icon":400,"to":398,"color":1071,"variant":1072},"neutral","subtle",{"label":406,"icon":79,"to":407,"color":1071,"variant":1072},{},{"title":402,"icon":379},{"title":402,"description":1067},"x2HPX5Cl_FKMki9-IuWbnJAC6Zin9k28cRb7rDgQdcM",[1079,1081],{"title":397,"path":398,"stem":399,"description":1080,"icon":400,"children":-1},"auditEnricher to auto-fill request context, auditOnly to route audits to a dedicated sink, and signed for tamper-evident HMAC or hash-chain integrity.",{"title":406,"path":407,"stem":408,"description":1082,"icon":79,"children":-1},"File system, Axiom, and Postgres recipes for audit logs, plus mockAudit for tests and the full API reference.",1785675166683]