1、Forensic WACEIntroductionForensic Analysis of WhatsApp data3Worlds most widelyused messaging app Rich source of information and forensicevidenceTraditionalforensicanalysis takes time to analysehundredsof thousandsof messages.With AI,analysis is faster,allowing the extractionof crucialinformation.Sys
2、tem Architecture5System Architecture:AI Analysis Module Overview 6System Architecture:AI Analysis Module Overview 7Open source free services vs pay to use servicesAnalyzersImage Captioning8AI Image Captioning DescriptionA tiger-striped kitten with dark eyes peeking out of a metal bucket.AnalyzersIma
3、ge OCR9Image OCRAnalyzersSpeech to text10.opus.wav11System Architecture:AI Analysis Module Overview AnalyzersPresidio12-name:Bitcoin Recognizersupported_language:enpatterns:-name:Bitcoin addressregex:(13|bc1)A-HJ-NP-Za-km-z1-927,34score:0.95context:-bitcoin-cryptosupported_entity:BITCOINADDRESSAnaly
4、zersDeepPass13AnalyzersStarPII14This is a NER based on bigcode(LLM)trained on several datasets containing PII and able to extract 6 classes:NamesEmailsKeysPasswordsIP AddressesUsernamesAnalyzersChatGPT15Assistant Prompt:Hi,you are an agent who extracts personal data from text.The entities you need t
5、o extract are the following:CREDIT_CARD:credit card numberPASSWORD:password entered by a userI expect the output to be a json:For each entity that will be the key,I will have as a value a list of strings representing the entities extracted if present,if some entities are not present then their key w
6、ill not be present in the response.For example with the stringAnalyzersChatGPT16Examplehello my name is david jonson,i line in Maine i visited and sent email to from the ip 192.168.0.1,my secret is phrase22!now,reply my on ”EMAIL_ADDRESS:,I