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Verifiers should look up the key by id, not assume a single global secret.",[534,691,692,693,698],{},"See ",[694,695,697],"a",{"href":696},"\u002Fuse-cases\u002Faudit\u002Fpipeline#signed","Drains & Integrity"," for the difference between HMAC and hash-chain.",[547,700,702],{"id":701},"redact","Redact",[534,704,705,706,709],{},"Audit events run through your existing ",[562,707,708],{},"RedactConfig",". Compose with the strict audit preset to harden PII handling:",[555,711,713],{"className":557,"code":712,"language":559,"meta":560,"style":560},"import { auditRedactPreset } from 'evlog'\n\ninitLogger({\n  redact: {\n    paths: [\n      ...(auditRedactPreset.paths ?? []),\n    ],\n  },\n})\n",[562,714,715,739,745,755,765,776,799,807,813],{"__ignoreMap":560},[565,716,717,721,723,726,728,731,733,736],{"class":567,"line":568},[565,718,720],{"class":719},"s7zQu","import",[565,722,623],{"class":593},[565,724,725],{"class":575}," auditRedactPreset",[565,727,614],{"class":593},[565,729,730],{"class":719}," from",[565,732,604],{"class":593},[565,734,735],{"class":607},"evlog",[565,737,738],{"class":593},"'\n",[565,740,741],{"class":567,"line":579},[565,742,744],{"emptyLinePlaceholder":743},true,"\n",[565,746,747,750,752],{"class":567,"line":645},[565,748,749],{"class":571},"initLogger",[565,751,585],{"class":575},[565,753,754],{"class":593},"{\n",[565,756,757,760,762],{"class":567,"line":663},[565,758,759],{"class":597},"  redact",[565,761,601],{"class":593},[565,763,764],{"class":593}," {\n",[565,766,768,771,773],{"class":567,"line":767},5,[565,769,770],{"class":597},"    paths",[565,772,601],{"class":593},[565,774,775],{"class":575}," [\n",[565,777,779,782,785,788,791,794,797],{"class":567,"line":778},6,[565,780,781],{"class":593},"      ...",[565,783,784],{"class":575},"(auditRedactPreset",[565,786,787],{"class":593},".",[565,789,790],{"class":575},"paths ",[565,792,793],{"class":593},"??",[565,795,796],{"class":575}," [])",[565,798,642],{"class":593},[565,800,802,805],{"class":567,"line":801},7,[565,803,804],{"class":575},"    ]",[565,806,642],{"class":593},[565,808,810],{"class":567,"line":809},8,[565,811,812],{"class":593},"  },\n",[565,814,816,819],{"class":567,"line":815},9,[565,817,818],{"class":593},"}",[565,820,666],{"class":575},[534,822,823,824,827,828,827,831,834,835,827,838,827,841,827,844,827,847,827,850,853,854,857,858,861,862,787],{},"The preset redacts ",[562,825,826],{},"authorization",", ",[562,829,830],{},"cookie",[562,832,833],{},"set-cookie",", and common credential key names (",[562,836,837],{},"password",[562,839,840],{},"token",[562,842,843],{},"apiKey",[562,845,846],{},"cardNumber",[562,848,849],{},"cvv",[562,851,852],{},"ssn",") ",[538,855,856],{},"at any nesting depth",", including inside ",[562,859,860],{},"audit.changes.before"," \u002F ",[562,863,864],{},"audit.changes.after",[547,866,868],{"id":867},"gdpr-vs-append-only","GDPR vs append-only",[534,870,871],{},"Append-only audit logs collide with GDPR's right to be forgotten. Recommended pattern today:",[873,874,875,879,882],"ol",{},[876,877,878],"li",{},"Keep audit rows immutable.",[876,880,881],{},"Encrypt PII fields with a per-actor key (held outside the audit store).",[876,883,884],{},"To \"forget\" a user, delete their key — the audit row stays, the chain stays valid, the PII becomes unreadable.",[534,886,887,888,891,892,787],{},"A built-in ",[562,889,890],{},"cryptoShredding"," helper is on the ",[694,893,897],{"href":894,"rel":895},"https:\u002F\u002Fgithub.com\u002FHugoRCD\u002Fevlog\u002Fissues",[896],"nofollow","follow-up roadmap",[547,899,901],{"id":900},"retention","Retention",[534,903,904],{},"Retention is a storage-layer concern by design. evlog's audit layer doesn't enforce retention windows because every supported drain already has a stronger, audited mechanism for it. Pick the one matching your drain:",[906,907,908,921],"table",{},[909,910,911],"thead",{},[912,913,914,918],"tr",{},[915,916,917],"th",{},"Drain",[915,919,920],{},"Retention mechanism",[922,923,924,937,948,956],"tbody",{},[912,925,926,930],{},[927,928,929],"td",{},"FS",[927,931,932,933,936],{},"Combine ",[562,934,935],{},"createFsDrain({ maxFiles })"," with a daily compactor.",[912,938,939,942],{},[927,940,941],{},"Postgres",[927,943,944,945,787],{},"Schedule ",[562,946,947],{},"DELETE FROM audit_events WHERE timestamp \u003C now() - interval '7 years'",[912,949,950,953],{},[927,951,952],{},"Axiom \u002F Datadog \u002F Loki",[927,954,955],{},"Set the dataset retention policy in the platform.",[912,957,958,961],{},[927,959,960],{},"S3 Object Lock",[927,962,963],{},"Configure lifecycle rules + Object Lock retention period.",[534,965,966],{},"Document the chosen window in your security policy. Auditors care about the written rule, not the enforcing component.",[547,968,970],{"id":969},"common-pitfalls","Common Pitfalls",[972,973,974,987,1010,1016,1035,1049],"ul",{},[876,975,976,979,980,681,983,986],{},[538,977,978],{},"Logging only successes."," Auditors care most about denials. Always pair ",[562,981,982],{},"log.audit()",[562,984,985],{},"log.audit.deny()"," on the negative branch of every authorisation check.",[876,988,989,995,996,999,1000,1002,1003,827,1005,827,1007,1009],{},[538,990,991,992,787],{},"Leaking PII through ",[562,993,994],{},"changes"," ",[562,997,998],{},"auditDiff()"," runs through your ",[562,1001,708],{},", but only if the field paths are listed. Add ",[562,1004,837],{},[562,1006,840],{},[562,1008,843],{},", etc. once globally so you never have to think about it again.",[876,1011,1012,1015],{},[538,1013,1014],{},"Treating audits as observability."," Don't sample, downsample, or summarise audit events. Force-keep is on by default — don't disable it.",[876,1017,1018,995,1025,1027,1028,861,1031,1034],{},[538,1019,1020,1021,1024],{},"Conflating ",[562,1022,1023],{},"actor.id"," with the session id.",[562,1026,1023],{}," is the stable user id (or system identity). Correlate sessions via ",[562,1029,1030],{},"context.requestId",[562,1032,1033],{},"context.traceId",", never via the actor.",[876,1036,1037,1040,1041,1044,1045,1048],{},[538,1038,1039],{},"Forgetting standalone jobs."," Cron tasks, queue workers, and CLIs trigger audit-worthy actions too. Use ",[562,1042,1043],{},"audit()"," (no request) or ",[562,1046,1047],{},"withAudit()"," to keep coverage parity with your HTTP routes.",[876,1050,1051,1058],{},[538,1052,1053,1054,1057],{},"Skipping ",[562,1055,1056],{},"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.",[1060,1061,1062],"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":560,"searchDepth":579,"depth":579,"links":1064},[1065,1066,1067,1068,1069],{"id":549,"depth":579,"text":550},{"id":701,"depth":579,"text":702},{"id":867,"depth":579,"text":868},{"id":900,"depth":579,"text":901},{"id":969,"depth":579,"text":970},"Integrity, redact presets, GDPR vs append-only, retention windows, and the most common pitfalls when shipping audit logs to production.","md",[1073,1076],{"label":697,"icon":397,"to":395,"color":1074,"variant":1075},"neutral","subtle",{"label":403,"icon":406,"to":404,"color":1074,"variant":1075},{},{"title":399,"icon":376},{"title":399,"description":1070},"1QGNSzOMcPWKqVBsaCI3u8NPkp6qsusRRwQC-fvRST0",[1082,1084],{"title":394,"path":395,"stem":396,"description":1083,"icon":397,"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":403,"path":404,"stem":405,"description":1085,"icon":406,"children":-1},"File system, Axiom, and Postgres recipes for audit logs, plus mockAudit for tests and the full API reference.",1786793476759]