text analytics in fraud and risk management - text...risk management lanny morrow, bkd llp. part 1:...
TRANSCRIPT
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Text Analytics in Fraud and Risk Management
Lanny Morrow, BKD LLP
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Part 1: Data Analytics (Structured Data)
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Part 2: Leveraging Unstructured Data
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Why text is so powerfulCommunicative
Emotional
Social
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From: The BossTo: Everyone
I wanted to congratulate Lisa on her really outstanding presentation at the meeting! The update was easy to follow and was very well received by the group. Great job, Lisa! Kim also gave a nice presentation. We appreciate you both.
Lisa Kimnice
Beyond the words
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Real emailsTo: BriberFrom: Employee taking bribe-------------------------------------------Thank you for the “little” token –I park it in the driveway - my neighbors are so jealous! Can’t wait to take it out this weekend to see what it can do on the open highway (wow!)
To: BossFrom: Accountant-----------------------------------Making sure I understand, these sales will not be posted to (the Company), but to (your Company), right?
To: Employee/co-conspiratorFrom: Outside conspirator-----------------------------------Send the invoice to me. I’ll mark it up and send it on to the printers. Keep 10% for yourself.
To: Employee/co-conspiratorFrom: Competitor---------------------------------------------I think giving your notice in January is fine, that will give you time to collect what you promised. We need to keep this close to the vest until it goes public.
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Textual Data
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Textual Data
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Facets of Unstructured Data
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Text is a Window to the Soul…
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Topic Extraction
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Topic Maps and Themes“Normal” Finance Department Financial Statement Fraud
Ticketing Staff Email on Topic “Comps”
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Emotional Tone Detection
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Tone Detection Case StudyEvasivenessVaguenessTension, Nervousness
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Tone Detection Case StudyEvasivenessVaguenessTension, Nervousness
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Social Networks
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Relationship Networks
Carrie Fischer was in Star Wars withHarrison Ford who was in The FugitivewithTommy Lee Jones who was in Batman Forever withVal Kilmer who was in HeatwithRobert Dinero who was in Sleeperswith
Kevin Bacon
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Relationship Analysis
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Relationship Mapping
Conflicts of interest in RFP process
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Relationship Mapping
Visualizing relationships
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Other sources
Performance EvalBarb needs to
delegate more to her staff, a person in her position should not be posting entries, etc.
Performance EvalShe is
unapproachable, often irritable
when asked questions.
EmailTurnover in her
dept. is high, she’s hard to deal with,
I hate her.
ReplyYeah, but write-offs are down,
collections up since she came – hard to replace that. We
can find staff anywhere.
HotlineYes, I’d like to talk to someone about a lady named “Barb” in your collections department. I’m a lawyer in town and some of my clients have settled with her for cash only…
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Other sources
Compressed air tanks are supposed to be strapped down, they are not on my shift. If one of those fell...
Bathrooms are a mess – floor has **** all over it. Why aren’t they
ever clean on my shift?
_____ is pushing us too hard, we need our breaks. Things need to
slow down or…
Robert
Robert
Robert
Routed to:Shift supervisor
Routed to:Housekeeping
Routed to:HR -> Plant Supervisor
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DIGITAL FORENSICSMonitoring internal dynamics
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DIGITAL FORENSICS
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DIGITAL FORENSICSDigital Forensics
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Types of Evidence Recovery of deleted files Recovery of temporary files Reconstruction of events Evidence of “data harvesting” Previously connected devices Internet-based email ‘never stored’ on computer Social media history iPhone backups Recommendation: “Shelve” hard drives and phones of
departing key employees for one year.
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Tools Email Outlook built-in search Lookeen (Lookeen.com)
Relationship Mapping NodeXL (http://www.smrfoundation.org/nodexl/)
General Search (All document types) Lookeen (Lookeen.com) dtSearch (dtsearch.com)
Emotion/Sentiment Textblob (Python package)*
* Requires some programming skill
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Expanding the Risk “Detection Horizon”
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IIA Position Paper
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ConsiderationsPerception of spy stateNot common IA dataNeed robust acceptable use policyConsult legal before beginning
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