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  • Ivan Skula
  • ivanskula.com
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Essential Skills for the Modern Fraud Fighter

Essential Skills for the Modern Fraud Fighter

  • Ivan Skula
  • 12.7.2024

Overwhelmed by information overload and an ever-evolving fraud landscape? We feel the same. Let’s explore how to stay up-to-date by prioritizing foundational skills for effective day-to-day work.

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Why don't we just block the fraudster's IP address and be done with it?

Why don't we just block the fraudster's IP address and be done with it?

  • Ivan Skula
  • 06.7.2023

Leveraging IP addresses is a common practice in fraud mitigation. However, understanding their limitations is crucial. This article explores the technical aspects of IP addresses, the role of IPv4 and IPv6, network addre

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Device fingerprinting - how it works and where it fits in fraud detection?

Device fingerprinting - how it works and where it fits in fraud detection?

  • Ivan Skula
  • 16.6.2023

Like a human fingerprint, a device fingerprint is a unique digital representation of a particular device. Lets look at how it works and where it fits in fraud-prevention?

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Does SAS still matters? Absolutely! And let me tell you why.

Does SAS still matters? Absolutely! And let me tell you why.

  • Ivan Skula
  • 04.6.2023

A short personal reflection on why SAS is very relevant today and how I have used the software throughout my 16 years of being employed by SAS.

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Fraud rules basics or How to design a rule?

Fraud rules basics or How to design a rule?

  • Ivan Skula
  • 22.5.2023

In this blog, we return to the very foundation of fraud detection and delve into the basics of the fraud rules creation process by tackling the ATM cash withdrawal fraud scenario.

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Are generative models smart? Only if you're smarter about what you ask!

Are generative models smart? Only if you're smarter about what you ask!

  • Ivan Skula
  • 12.5.2023

ChatGPT is a fantastic tool for generating responses to questions on a wide variety of topics. Midjourney or Dall-e are amazing at generating stunning visuals. However, you must understand that its effectiveness ultimate

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How (not) to train the fraud detection model! (Part 2)

How (not) to train the fraud detection model! (Part 2)

  • Ivan Skula
  • 13.11.2022

In the follow-up to last week's story, Milo will further widen his view on possible routes he can take. He will also realize how overwhelming it could become to improve the predictive model through additional features an

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How (not) to train the fraud detection model! (Part 1)

How (not) to train the fraud detection model! (Part 1)

  • Ivan Skula
  • 06.11.2022

Democratization of analytics is getting the analytics tools out there - to the hands of the many as opposed to only a selected few (that had these tools in the past). Daily we are bombarded with various buzzwords related

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