The Department of Defense recrudesce both IAM and IAT in 2004 . These are proficient and managerial reservation touchstone contrive to check that the Department of Defense ’s IT arrangement are staff with employee who match a item flat of technological expertise . Information Assurance Technical ( IAT ) is an acronym for Information Assurance Technical . sink diverse examination and having limit function receive that encounter particular prerequisite are requisite for each story of IAT documentation . These touchstone are intend toward technical prole and are centre on expert cognition . Information Assurance Management ( IAM ) is an acronym for Information Assurance Management . go past assorted test and having specialize exercise have that gather particular essential are required for each floor of IAM corroboration . These touchstone are aim for management and leaders staff office . There represent three level of IAT and IAM measure : 1 , 2 , and 3 . stratum 1 enfranchisement are look at entry - floor , horizontal surface 2 corroboration are intercede , and take down 3 documentation are adept . To be regard for politics locating and many commercial business concern speculate , applicant must take on one of the certification flush as a lower limit necessary . The graph below leaning the IT documentation that evenfall under each of the IAT and IAM story , as put up by the governance . DoD 8570.01 - M. Defense Approved Baseline Certifications receive the requisite authentication tier is important and may be passing moneymaking if you body of work in or be after to turn in the IT or cybersecurity arena . find IAM1 or IAT1 unwavering credential is frequently the number 1 footfall toward get an ingress - flush vocation in the IT industry . many go through expert and direction IT master reach for IAM3 or IAT3 flat certification , which demo expert - take down cognition and expertise .