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Verifiers should look up the key by id, not assume a single global secret.",[535,692,693,694,699],{},"See ",[695,696,698],"a",{"href":697},"\u002Fuse-cases\u002Faudit\u002Fpipeline#signed","Drains & Integrity"," for the difference between HMAC and hash-chain.",[548,701,703],{"id":702},"redact","Redact",[535,705,706,707,710],{},"Audit events run through your existing ",[563,708,709],{},"RedactConfig",". Compose with the strict audit preset to harden PII handling:",[556,712,714],{"className":558,"code":713,"language":560,"meta":561,"style":561},"import { auditRedactPreset } from 'evlog'\n\ninitLogger({\n  redact: {\n    paths: [\n      ...(auditRedactPreset.paths ?? []),\n    ],\n  },\n})\n",[563,715,716,740,746,756,766,777,800,808,814],{"__ignoreMap":561},[566,717,718,722,724,727,729,732,734,737],{"class":568,"line":569},[566,719,721],{"class":720},"s7zQu","import",[566,723,624],{"class":594},[566,725,726],{"class":576}," auditRedactPreset",[566,728,615],{"class":594},[566,730,731],{"class":720}," from",[566,733,605],{"class":594},[566,735,736],{"class":608},"evlog",[566,738,739],{"class":594},"'\n",[566,741,742],{"class":568,"line":580},[566,743,745],{"emptyLinePlaceholder":744},true,"\n",[566,747,748,751,753],{"class":568,"line":646},[566,749,750],{"class":572},"initLogger",[566,752,586],{"class":576},[566,754,755],{"class":594},"{\n",[566,757,758,761,763],{"class":568,"line":664},[566,759,760],{"class":598},"  redact",[566,762,602],{"class":594},[566,764,765],{"class":594}," {\n",[566,767,769,772,774],{"class":568,"line":768},5,[566,770,771],{"class":598},"    paths",[566,773,602],{"class":594},[566,775,776],{"class":576}," [\n",[566,778,780,783,786,789,792,795,798],{"class":568,"line":779},6,[566,781,782],{"class":594},"      ...",[566,784,785],{"class":576},"(auditRedactPreset",[566,787,788],{"class":594},".",[566,790,791],{"class":576},"paths ",[566,793,794],{"class":594},"??",[566,796,797],{"class":576}," [])",[566,799,643],{"class":594},[566,801,803,806],{"class":568,"line":802},7,[566,804,805],{"class":576},"    ]",[566,807,643],{"class":594},[566,809,811],{"class":568,"line":810},8,[566,812,813],{"class":594},"  },\n",[566,815,817,820],{"class":568,"line":816},9,[566,818,819],{"class":594},"}",[566,821,667],{"class":576},[535,823,824,825,828,829,828,832,835,836,828,839,828,842,828,845,828,848,828,851,854,855,858,859,862,863,788],{},"The preset redacts ",[563,826,827],{},"authorization",", ",[563,830,831],{},"cookie",[563,833,834],{},"set-cookie",", and common credential key names (",[563,837,838],{},"password",[563,840,841],{},"token",[563,843,844],{},"apiKey",[563,846,847],{},"cardNumber",[563,849,850],{},"cvv",[563,852,853],{},"ssn",") ",[539,856,857],{},"at any nesting depth",", including inside ",[563,860,861],{},"audit.changes.before"," \u002F ",[563,864,865],{},"audit.changes.after",[548,867,869],{"id":868},"gdpr-vs-append-only","GDPR vs append-only",[535,871,872],{},"Append-only audit logs collide with GDPR's right to be forgotten. Recommended pattern today:",[874,875,876,880,883],"ol",{},[877,878,879],"li",{},"Keep audit rows immutable.",[877,881,882],{},"Encrypt PII fields with a per-actor key (held outside the audit store).",[877,884,885],{},"To \"forget\" a user, delete their key. The audit row stays, the chain stays valid, the PII becomes unreadable.",[535,887,888,889,892,893,788],{},"A built-in ",[563,890,891],{},"cryptoShredding"," helper is on the ",[695,894,898],{"href":895,"rel":896},"https:\u002F\u002Fgithub.com\u002FHugoRCD\u002Fevlog\u002Fissues",[897],"nofollow","follow-up roadmap",[548,900,902],{"id":901},"retention","Retention",[535,904,905],{},"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:",[907,908,909,922],"table",{},[910,911,912],"thead",{},[913,914,915,919],"tr",{},[916,917,918],"th",{},"Drain",[916,920,921],{},"Retention mechanism",[923,924,925,938,949,957],"tbody",{},[913,926,927,931],{},[928,929,930],"td",{},"FS",[928,932,933,934,937],{},"Combine ",[563,935,936],{},"createFsDrain({ maxFiles })"," with a daily compactor.",[913,939,940,943],{},[928,941,942],{},"Postgres",[928,944,945,946,788],{},"Schedule ",[563,947,948],{},"DELETE FROM audit_events WHERE timestamp \u003C now() - interval '7 years'",[913,950,951,954],{},[928,952,953],{},"Axiom \u002F Datadog \u002F Loki",[928,955,956],{},"Set the dataset retention policy in the platform.",[913,958,959,962],{},[928,960,961],{},"S3 Object Lock",[928,963,964],{},"Configure lifecycle rules + Object Lock retention period.",[535,966,967],{},"Document the chosen window in your security policy. Auditors care about the written rule, not the enforcing component.",[548,969,971],{"id":970},"common-pitfalls","Common Pitfalls",[973,974,975,988,1011,1017,1036,1050],"ul",{},[877,976,977,980,981,682,984,987],{},[539,978,979],{},"Logging only successes."," Auditors care most about denials. Always pair ",[563,982,983],{},"log.audit()",[563,985,986],{},"log.audit.deny()"," on the negative branch of every authorisation check.",[877,989,990,996,997,1000,1001,1003,1004,828,1006,828,1008,1010],{},[539,991,992,993,788],{},"Leaking PII through ",[563,994,995],{},"changes"," ",[563,998,999],{},"auditDiff()"," runs through your ",[563,1002,709],{},", but only if the field paths are listed. Add ",[563,1005,838],{},[563,1007,841],{},[563,1009,844],{},", etc. once globally so you never have to think about it again.",[877,1012,1013,1016],{},[539,1014,1015],{},"Treating audits as observability."," Don't sample, downsample, or summarise audit events. Force-keep is on by default, don't disable it.",[877,1018,1019,996,1026,1028,1029,862,1032,1035],{},[539,1020,1021,1022,1025],{},"Conflating ",[563,1023,1024],{},"actor.id"," with the session id.",[563,1027,1024],{}," is the stable user id (or system identity). Correlate sessions via ",[563,1030,1031],{},"context.requestId",[563,1033,1034],{},"context.traceId",", never via the actor.",[877,1037,1038,1041,1042,1045,1046,1049],{},[539,1039,1040],{},"Forgetting standalone jobs."," Cron tasks, queue workers, and CLIs trigger audit-worthy actions too. Use ",[563,1043,1044],{},"audit()"," (no request) or ",[563,1047,1048],{},"withAudit()"," to keep coverage parity with your HTTP routes.",[877,1051,1052,1059],{},[539,1053,1054,1055,1058],{},"Skipping ",[563,1056,1057],{},"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.",[1061,1062,1063],"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":561,"searchDepth":580,"depth":580,"links":1065},[1066,1067,1068,1069,1070],{"id":550,"depth":580,"text":551},{"id":702,"depth":580,"text":703},{"id":868,"depth":580,"text":869},{"id":901,"depth":580,"text":902},{"id":970,"depth":580,"text":971},"Integrity, redact presets, GDPR vs append-only, retention windows, and the most common pitfalls when shipping audit logs to production.","md",[1074,1077],{"label":698,"icon":397,"to":395,"color":1075,"variant":1076},"neutral","subtle",{"label":403,"icon":406,"to":404,"color":1075,"variant":1076},{},{"title":399,"icon":376},{"title":399,"description":1071},"oaXoxHuaf_SWyciNBEwioH_Pfb4wRlrze11nZ9LvVT8",[1083,1085],{"title":394,"path":395,"stem":396,"description":1084,"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":1086,"icon":406,"children":-1},"File system, Axiom, and Postgres recipes for audit logs, plus mockAudit for tests and the full API reference.",1786800766519]