IsthereroomforSecArchinDevSecOps?(orcanolddogsperformnewtricks?)

DimitriosPetropoulos

26April2018

$cut-f5-d:/etc/passwd|grep-ipetropoulos

• DimitriosPetropoulos

• Cryptographerbyeducation(nobody’sperfect)• SecurityArchitect(&pastsecuritydeveloper)bytrade• Havebeenbreaking&mendingthingsforoverathirdofacentury

this.Presentation

• …containsquestions–notanswers…• Majorityofpointsinthispresentationare

• Personalconclusionsafterhavingworkedwithnumerousorganisationsandtriedtoextractcommonpatternsofbehaviourandtrends

• conjectures(inthemathematicalsenseoftheword,i.e.unprovenpropositionswhichappearcorrect)

• Basedonrelativelyrecentmindset

• Mightbecontroversial…• Don’texpectyoutoagreewithme

<Rant>

Constantchange&unityofopposites

“Ταπάνταρεί”*(everythingflows)

“Πόλεμοςπατήρπάντων”(war/struggleisthefatherofall)

Heraclitus(c.535–c.475BC)

*-andFrancescoGabbaniinOccidentali’sKarma

Thebravenewworld

Theopportunity:

• Cloud• *aaS• Automation

• AI• BigData• …

Therequirements(&benefits):

• Agility(↑)

• Speed(↑)

• Scalability(↑)

• Cost(↓)

Thechallengeis:‘security’

Source:https://www.sumologic.com

ThebirthofDevSecOps

• Intimeswherespeedandagilityarethenameofthegame,security:• cannotslowdownbusiness…• …butcannotbeoverlooked

• Theanswer(allegedly)comesfromautomation

Itallstartedhere…

Whatdoesthis‘Sec’mean?

The‘Sec’in‘DevSecOps’

• ApplicationSecurityTesting• SAST• DAST• IAST

• Infrastructure/PlatformVulnerabilityScanning• Platformconfiguration&compliance• Deploymentofcontrols

• Firewalling,micro-segmentation• WAFs,DBSGs,etc.• RASP

• Identity&AccessManagement• …

Automated&programmaticallyprovisioned

Wheredoes‘SecArch’fitinallthis?

IsSecArchsuperfluous?

• Wedidn’tgetsoftware‘right’intheeraofrigider(stricter?)SDLCparadigms–dowestandabetterchanceintheseagiletimes?• CanDevOpsmakeadifference?• CanDevSecOpsmakeadifference?

• Theyareastepintherightdirection• Facilitating(i.e.automating)unwanted(i.e.security)taskscanonlyhelp

• ButtheycannotreplaceSecArch

WebAppSecArch(example)

InfraSecArchevolution(example)[1]

Internet

InternetF/W

InternalF/W

TrustZoneA-VirtualisedServer

vSwitch

VM VM VM

vSwitch

VM VM VM

vSwitch

VM VM VM

vSwitch

VM VM VM

TrustZoneB-VirtualisedServer

TrustZoneC-VirtualisedServer TrustZoneD-VirtualisedServer

HypervisorHypervisor

Hypervisor Hypervisor

InfraSecArchevolution(example)[2]

‘*asCode’

• InfrastructureasCode• SecurityasCode• …

• Canwedetermine(letaloneachieve)theobjectiveswithoutsoundSecArch?• Manifestosalone(ruggedastheymaybe)arenotenough…• Godhelpus…

• SecDevOps’reachisnotbroadordeepenough…• It’snotearlyenoughinthelifecycle…

ArchitectureStrategy&Governance

CyberDefence

Operations

Verification

Construction

Policy&

Standards

Compliance&

Metrics

Architecturecomesfirst…

Dev

OpsSec

Don’tsayIdidn’twarnyou…

• XY+XZ=• SecDev+SecOps=

X(Y+Z)Sec(Dev+Ops)

Nowthatσ(Dev,Sec,Ops)hasfreedusfromthechainsofthemundane,canwefocusandspendmoretimeonsomethingthatreallymatters?

</Rant>

Thankyouforyourattention!

Timeforquestions…

https://www.linkedin.com/in/dpetropoulos/