{"id":8745,"date":"2025-07-02T18:52:07","date_gmt":"2025-07-02T18:52:07","guid":{"rendered":"https:\/\/arcashield.com\/?p=8745"},"modified":"2025-08-07T00:03:29","modified_gmt":"2025-08-07T00:03:29","slug":"investigation-numerique","status":"publish","type":"post","link":"https:\/\/arcashield.com\/en\/investigation-numerique\/","title":{"rendered":"Digital investigation"},"content":{"rendered":"
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Digital investigation<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Nous menons des investigations num\u00e9riques approfondies pour identifier l\u2019origine des incidents de s\u00e9curit\u00e9, retracer les actions malveillantes et s\u00e9curiser durablement votre syst\u00e8me d\u2019information<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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\"Collecte<\/figure>

Collecte de preuves num\u00e9riques<\/h3>

Extraction de donn\u00e9es sur postes, serveurs, \u00e9quipements r\u00e9seau (disques,\nRAM, logs, registres\u2026), en respectant la cha\u00eene de conservation (chain of custody)<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\"\"<\/figure>

Analyse forensique des syst\u00e8me<\/h3>

Reconstitution d\u2019activit\u00e9s (cr\u00e9ation\/modification de fichiers, acc\u00e8s\nutilisateurs, installation de malware, persistance\u2026)<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\"\"<\/figure>

Analyse r\u00e9seau & logs<\/h3>

Corr\u00e9lation d\u2019\u00e9v\u00e9nements \u00e0 partir de journaux applicatifs, syst\u00e8mes, firewalls, proxy,\nSIEM\u2026<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\"\"<\/figure>

Investigation sur supports amovibles<\/h3>

Analyse d\u2019artefacts sp\u00e9cifiques (emails, transferts de fichiers, connexions\nexternes, partages collaboratifs, etc.)<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\"Attribution<\/figure>

Attribution et reconstitution de l\u2019attaque<\/h3>

\u00c9laboration d\u2019une timeline d\u2019intrusion, profilage des attaquants,\nv\u00e9rification des intentions (espionnage, sabotage, fraude\u2026)<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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FAQ<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Questions fr\u00e9quemment pos\u00e9es<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\tQuels types d\u2019entreprises peuvent faire appel \u00e0 vos services ?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t

Nous accompagnons tous types de structures : PME, grandes entreprises, collectivit\u00e9s et organisations sensibles. Nos services sont adapt\u00e9s \u00e0 chaque niveau de maturit\u00e9 en cybers\u00e9curit\u00e9.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t Quelle est la diff\u00e9rence entre un audit de s\u00e9curit\u00e9 et un test d\u2019intrusion ?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t

L\u2019audit de s\u00e9curit\u00e9 \u00e9value globalement la posture de s\u00e9curit\u00e9 d\u2019un syst\u00e8me, tandis que le test d\u2019intrusion (pentest) simule une attaque r\u00e9elle pour identifier les failles exploitables par un attaquant.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\tProposez-vous des services en continu, type MSSP ?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t

Oui, nous offrons des services manag\u00e9s (MSSP) incluant la surveillance 24\/7, la d\u00e9tection des menaces (SIEM), la gestion des vuln\u00e9rabilit\u00e9s et la r\u00e9ponse aux incidents.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t \u00cates-vous certifi\u00e9s pour intervenir sur des environnements sensibles ?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t

Nos consultants disposent de certifications reconnues (CISSP, CEH, ISO 27001 Lead Auditor, etc.) et nous appliquons des m\u00e9thodologies strictes conformes aux standards internationaux.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\tComment se d\u00e9roule un accompagnement GRC ?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t

Nous \u00e9valuons vos risques, d\u00e9finissons une strat\u00e9gie adapt\u00e9e, mettons en place des politiques de s\u00e9curit\u00e9 et vous accompagnons dans la conformit\u00e9 aux normes (ISO 27001, RGPD, NIS2\u2026).<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\tProposez-vous des formations en cybers\u00e9curit\u00e9 ?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t

Oui, nous proposons des formations sur mesure pour les utilisateurs, les administrateurs et les \u00e9quipes techniques : sensibilisation, hygi\u00e8ne num\u00e9rique, gestion des incidents, s\u00e9curit\u00e9 offensive, etc.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Investigation num\u00e9rique Nous menons des investigations num\u00e9riques approfondies pour identifier l\u2019origine des incidents de s\u00e9curit\u00e9, retracer les actions malveillantes et s\u00e9curiser durablement votre syst\u00e8me d\u2019information Collecte de preuves num\u00e9riques Extraction de donn\u00e9es sur postes, serveurs, \u00e9quipements r\u00e9seau (disques, RAM, logs, registres\u2026), en respectant la cha\u00eene de conservation (chain of custody) Analyse forensique des syst\u00e8me Reconstitution […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-8745","post","type-post","status-publish","format-standard","hentry","category-services"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/arcashield.com\/en\/wp-json\/wp\/v2\/posts\/8745","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arcashield.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arcashield.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arcashield.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arcashield.com\/en\/wp-json\/wp\/v2\/comments?post=8745"}],"version-history":[{"count":24,"href":"https:\/\/arcashield.com\/en\/wp-json\/wp\/v2\/posts\/8745\/revisions"}],"predecessor-version":[{"id":9804,"href":"https:\/\/arcashield.com\/en\/wp-json\/wp\/v2\/posts\/8745\/revisions\/9804"}],"wp:attachment":[{"href":"https:\/\/arcashield.com\/en\/wp-json\/wp\/v2\/media?parent=8745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arcashield.com\/en\/wp-json\/wp\/v2\/categories?post=8745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arcashield.com\/en\/wp-json\/wp\/v2\/tags?post=8745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}