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Usman Khalid Nigeria | [email protected] | +2347036628566 | linkedin.com/in/khalid-usman-75828921b github.com/bugkay101 Summary IamaPenetrationTesterspecializinginwebandAPIsecuritywithprofessionalexperiencesince2023. Iperform in-depthreconnaissance,securecodereviews,andexploitationtouncoverweaknessesacrossawiderangeof attackvectors,notlimitedtoOWASPorAPITop10. Iamgroundedinsecurityresearch,continuouslyanalyzing emergingthreatsandattacktechniquestostayaheadofadversaries. Icombinepracticaltestingexpertisewith stronganalyticalskillstodeliverclear,actionableremediationstrategiestodevelopmentandsecurityteams. I excelatproducingclear,detailed,andactionablereportsthatbridgetechnicalfindingswithpracticalremediation stepsfordevelopersandstakeholders. Education BellsUniversityOfTechnology,B.EnginComputerEngineering December2020–November 2025 Experience IndependentPenetrationTester,QuiklearnInc–quiklearn.app August2025 • Conductedafullwebapplicationpenetrationtest,identifyingcriticalandhigh-severityvulnerabilitiesacross accesscontrol,inputhandling,andbusinesslogic. • Deliveredadetailedsecurityassessmentreportwithactionableremediationguidancefortheclient’s developmentteam. SecurityResearcher,Hackerone June2025–Present • ReportedvulnerabilitiestoorganizationsviaHackerOne’sbugbountyplatform,focusingonwebapplicationand APIsecurity. • Activelyengagedinsecurityresearch,stayingaheadofevolvingattackvectorsandindustrytrends. CybersecurityContentCreator,Guardyk–guardyk.com Jauary2026 • Conduct