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Verifiers should look up the key by id, not assume a single global secret.",[526,683,684,685,690],{},"See ",[686,687,689],"a",{"href":688},"\u002Fuse-cases\u002Faudit\u002Fpipeline#signed","Drains & Integrity"," for the difference between HMAC and hash-chain.",[539,692,694],{"id":693},"redact","Redact",[526,696,697,698,701],{},"Audit events run through your existing ",[554,699,700],{},"RedactConfig",". Compose with the strict audit preset to harden PII handling:",[547,703,705],{"className":549,"code":704,"language":551,"meta":552,"style":552},"import { auditRedactPreset } from 'evlog'\n\ninitLogger({\n  redact: {\n    paths: [\n      ...(auditRedactPreset.paths ?? []),\n    ],\n  },\n})\n",[554,706,707,731,737,747,757,768,791,799,805],{"__ignoreMap":552},[557,708,709,713,715,718,720,723,725,728],{"class":559,"line":560},[557,710,712],{"class":711},"s7zQu","import",[557,714,615],{"class":585},[557,716,717],{"class":567}," auditRedactPreset",[557,719,606],{"class":585},[557,721,722],{"class":711}," from",[557,724,596],{"class":585},[557,726,727],{"class":599},"evlog",[557,729,730],{"class":585},"'\n",[557,732,733],{"class":559,"line":571},[557,734,736],{"emptyLinePlaceholder":735},true,"\n",[557,738,739,742,744],{"class":559,"line":637},[557,740,741],{"class":563},"initLogger",[557,743,577],{"class":567},[557,745,746],{"class":585},"{\n",[557,748,749,752,754],{"class":559,"line":655},[557,750,751],{"class":589},"  redact",[557,753,593],{"class":585},[557,755,756],{"class":585}," {\n",[557,758,760,763,765],{"class":559,"line":759},5,[557,761,762],{"class":589},"    paths",[557,764,593],{"class":585},[557,766,767],{"class":567}," [\n",[557,769,771,774,777,780,783,786,789],{"class":559,"line":770},6,[557,772,773],{"class":585},"      ...",[557,775,776],{"class":567},"(auditRedactPreset",[557,778,779],{"class":585},".",[557,781,782],{"class":567},"paths ",[557,784,785],{"class":585},"??",[557,787,788],{"class":567}," [])",[557,790,634],{"class":585},[557,792,794,797],{"class":559,"line":793},7,[557,795,796],{"class":567},"    ]",[557,798,634],{"class":585},[557,800,802],{"class":559,"line":801},8,[557,803,804],{"class":585},"  },\n",[557,806,808,811],{"class":559,"line":807},9,[557,809,810],{"class":585},"}",[557,812,658],{"class":567},[526,814,815,816,819,820,819,823,826,827,819,830,819,833,819,836,819,839,819,842,845,846,849,850,853,854,779],{},"The preset redacts ",[554,817,818],{},"authorization",", ",[554,821,822],{},"cookie",[554,824,825],{},"set-cookie",", and common credential key names (",[554,828,829],{},"password",[554,831,832],{},"token",[554,834,835],{},"apiKey",[554,837,838],{},"cardNumber",[554,840,841],{},"cvv",[554,843,844],{},"ssn",") ",[530,847,848],{},"at any nesting depth"," — including inside ",[554,851,852],{},"audit.changes.before"," \u002F ",[554,855,856],{},"audit.changes.after",[539,858,860],{"id":859},"gdpr-vs-append-only","GDPR vs append-only",[526,862,863],{},"Append-only audit logs collide with GDPR's right to be forgotten. Recommended pattern today:",[865,866,867,871,874],"ol",{},[868,869,870],"li",{},"Keep audit rows immutable.",[868,872,873],{},"Encrypt PII fields with a per-actor key (held outside the audit store).",[868,875,876],{},"To \"forget\" a user, delete their key — the audit row stays, the chain stays valid, the PII becomes unreadable.",[526,878,879,880,883,884,779],{},"A built-in ",[554,881,882],{},"cryptoShredding"," helper is on the ",[686,885,889],{"href":886,"rel":887},"https:\u002F\u002Fgithub.com\u002FHugoRCD\u002Fevlog\u002Fissues",[888],"nofollow","follow-up roadmap",[539,891,893],{"id":892},"retention","Retention",[526,895,896],{},"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:",[898,899,900,913],"table",{},[901,902,903],"thead",{},[904,905,906,910],"tr",{},[907,908,909],"th",{},"Sink",[907,911,912],{},"Retention mechanism",[914,915,916,929,940,948],"tbody",{},[904,917,918,922],{},[919,920,921],"td",{},"FS",[919,923,924,925,928],{},"Combine ",[554,926,927],{},"createFsDrain({ maxFiles })"," with a daily compactor.",[904,930,931,934],{},[919,932,933],{},"Postgres",[919,935,936,937,779],{},"Schedule ",[554,938,939],{},"DELETE FROM audit_events WHERE timestamp \u003C now() - interval '7 years'",[904,941,942,945],{},[919,943,944],{},"Axiom \u002F Datadog \u002F Loki",[919,946,947],{},"Set the dataset retention policy in the platform.",[904,949,950,953],{},[919,951,952],{},"S3 Object Lock",[919,954,955],{},"Configure lifecycle rules + Object Lock retention period.",[526,957,958],{},"Document the chosen window in your security policy. Auditors care about the written rule, not the enforcing component.",[539,960,962],{"id":961},"common-pitfalls","Common Pitfalls",[964,965,966,979,1002,1008,1027,1041],"ul",{},[868,967,968,971,972,673,975,978],{},[530,969,970],{},"Logging only successes."," Auditors care most about denials. Always pair ",[554,973,974],{},"log.audit()",[554,976,977],{},"log.audit.deny()"," on the negative branch of every authorisation check.",[868,980,981,987,988,991,992,994,995,819,997,819,999,1001],{},[530,982,983,984,779],{},"Leaking PII through ",[554,985,986],{},"changes"," ",[554,989,990],{},"auditDiff()"," runs through your ",[554,993,700],{},", but only if the field paths are listed. Add ",[554,996,829],{},[554,998,832],{},[554,1000,835],{},", etc. once globally so you never have to think about it again.",[868,1003,1004,1007],{},[530,1005,1006],{},"Treating audits as observability."," Don't sample, downsample, or summarise audit events. Force-keep is on by default — don't disable it.",[868,1009,1010,987,1017,1019,1020,853,1023,1026],{},[530,1011,1012,1013,1016],{},"Conflating ",[554,1014,1015],{},"actor.id"," with the session id.",[554,1018,1015],{}," is the stable user id (or system identity). Correlate sessions via ",[554,1021,1022],{},"context.requestId",[554,1024,1025],{},"context.traceId",", never via the actor.",[868,1028,1029,1032,1033,1036,1037,1040],{},[530,1030,1031],{},"Forgetting standalone jobs."," Cron tasks, queue workers, and CLIs trigger audit-worthy actions too. Use ",[554,1034,1035],{},"audit()"," (no request) or ",[554,1038,1039],{},"withAudit()"," to keep coverage parity with your HTTP routes.",[868,1042,1043,1050],{},[530,1044,1045,1046,1049],{},"Skipping ",[554,1047,1048],{},"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.",[1052,1053,1054],"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":552,"searchDepth":571,"depth":571,"links":1056},[1057,1058,1059,1060,1061],{"id":541,"depth":571,"text":542},{"id":693,"depth":571,"text":694},{"id":859,"depth":571,"text":860},{"id":892,"depth":571,"text":893},{"id":961,"depth":571,"text":962},"Integrity, redact presets, GDPR vs append-only, retention windows, and the most common pitfalls when shipping audit logs to production.","md",[1065,1068],{"label":689,"icon":395,"to":393,"color":1066,"variant":1067},"neutral","subtle",{"label":401,"icon":79,"to":402,"color":1066,"variant":1067},{},{"title":397,"icon":374},{"title":397,"description":1062},"x2HPX5Cl_FKMki9-IuWbnJAC6Zin9k28cRb7rDgQdcM",[1074,1076],{"title":392,"path":393,"stem":394,"description":1075,"icon":395,"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":401,"path":402,"stem":403,"description":1077,"icon":79,"children":-1},"File system, Axiom, and Postgres recipes for audit logs, plus mockAudit for tests and the full API reference.",1785665725275]