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Technological Thoughts by Jerome Kehrli

Entries tagged [banking]

Interview about NetGuardians and fighting fraud in the digital era

by Jerome Kehrli


Posted on Monday Feb 04, 2019 at 12:10PM in Banking


The below is an extract from an interview I ran in February 2019 during the EPFL Forward event.

NetGuardians is a Swiss Software Publisher based in Yverdon-les-bains that edits a Big Data Analytics Solution deployed Financial Institution for one key use case: fighting financial crime and preventing banking Fraud.
Banking fraud is meant in the broad sense here: both internally and externally.
Internal fraud is when employees misappropriate funds under management and external fraud is when cyber-criminals compromise ebanking applications, mobile devices used for payment or credit cards.

In the digital age, the means of fraudsters and cyber-criminals have drastically increased.

Cyber-criminals have become industrialized, professionalized and organized. The same technology they use against banks is also what gives us the means to protect banks

At NetGuardians we deploy an Artificial Intelligence that monitors on a large scale, in depth and in real time all activities of users, employees of the bank, but also those of its customers, to detect anomalies.
We prevent bank fraud and fight financial crime by detecting and blocking all suspicious activity in real time.


Jérôme Kehrli, how did you manage to convince a sector that is, in essence, very traditional, to trust you with your digital tools to fight against fraud?
Two different worlds, two languages, two visions?

The situation of the banks is a bit peculiar, the digitization and with it the evolution of the means and the behaviours of the customers in the digital age, was at the same time both a traumatic and a formidable solution.

The digital revolution was a traumatic because the banks, which by their very nature are very conservative, especially in Switzerland with our very strong private banking culture, were not prepared for the need to profoundly transform the customer experience of the banking world: to meet the customer where he is, on his channels, with mobile banking, this culture of all and everything immediately, with instant payments, the opening of the information system, with the explosion of the External Asset Managers model and external service providers with the PSD2 European standard, etc.

The digital revolution has imposed these changes, sometimes brutally, in banks and it is the source of a tremendous increase of the attack surface of banks.

But this same technology that spawned the digital revolution has proved to be the solution too.
Technology has made it possible to build digital banking applications that provide all of the bank's services on a mobile device.
Technology has made it possible to implement innovative solutions that secure the information system and protect client funds.

And in this perspective, Artificial Intelligence is really a sort of panacea: robot advisory, chatbots, personalization of financial advice and especially, especially the fight against financial crime: banking fraud and money laundering

In the end, if five years ago our solutions seemed somewhat avant-garde, not to say futuristic and sometimes aroused a bit of skepticism, today the banks are aware of the digital urgency and it is the bankers themselves who eagerly seek our solutions.

You support the digital shift of the banking sector.
Do banks sometimes have to change their way of operating, their habits, to be able to use your technologies?
(Do you have to prepare them to work with you?)

So of course the digital revolution profoundly transforms not only the business model but also the corporate culture, its tools, and so on.

At NetGuardians we have a very concrete example.

Before the use of Artificial Intelligence, banks protected themselves with rules engines. Hundreds of rules were deployed on the information system to enforce security policies or detect the most obvious violations.
The advantage with rules was that a violation was very easy to understand. A violation of a compliance rule reported in a clear and accurate audit report was easy to understand and so was the response.
The disadvantage, however, was that the rules were a poor protection against financial crime and that's why fraud has exploded over the decade.

Today with artificial intelligence, the level of protection is excellent and without comparison with the era of the rules.
But the disadvantage of artificial intelligence is that accurately understanding a decision of the machine is much more difficult.

At NetGuardians, we develop with our algorithms a Forensic analysis application that allows bankers to understand the operation of the machine by presenting the context of the decision.
This forensic analysis application, which presents the results of our algorithms, is essential and almost as important as our algorithms themselves.

This is a powerful application but requires a grip.

Tom Cruise in Minority Report who handles a data discovery application playing an orchestra conductor, it's easy in Hollywood, but it's not in reality.
In reality, we provide initial training to our users and then regular updates.

In the end, a data analysis and forensic application is not Microsoft Word. Our success is to make such an application accessible to everyone, but not without a little help.
In conclusion i would say that the culture transformation end the evolution of the tools do require some training and special care.

In general, what should a company prepare for, before making a digital shift?

In the digital age, many companies must transform their business model or disappear. Some services become obsolete, some new necessities appear.
We can mention Uber of course but also NetFlix, Booking, eBookers, etc.

For the majority of the industrial base, the digitalization of products and services is an absolute necessity, a question of survival.

Successful process and business model transformation often requires a transformation of the very culture of the company, down toits identity:
Among other things one could mention the following requirements:

  • scaling agility from product development to the whole company level
  • involving digital natives to identify and design digital services
  • realizing the urgency or if necessary create a sense of urgency
  • understanding the scale of the challenge and the necessary transformation. Some say "if it does not hurt, it is not digital transformation"

In summary I would say that a company is "mature" for digitalization if it is inspired by the digitalization of our daily life to adapt its products and services AND if it has the ability to execute its ideas.
Ideas without the ability to execute leads to mess, the ability to execute without the ideas leads to the status quo.

From there I would say that a company must prepare itself on these two dimensions, bring itself the conditions and resources required to identify and to design its digital products and those required to realize them.


Artificial intelligence for banking fraud prevention in the digital era

by Jerome Kehrli


Posted on Wednesday Jul 04, 2018 at 09:34PM in Banking


The digitalization with its changes of means and behaviours and the induced society and industrial evolution is putting increasingly more pressure on banks.
Just as if regulatory pressure and financial crisis weren't enough, banking institutions have realized that they need to transform the way they run their business to attract new customers and retain their existing ones.
I detailed already this very topic in a former article on this blog: The Digitalization - Challenge and opportunities for financial institutions.

In this regards, Artificial Intelligence provides tremendous opportunities and very interesting initiatives start to emerge in the big banking institutions.


In this article I intend to present these three ways along with a few examples and detail what we do at NetGuardians in this regards.

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Artificial Intelligence for Banking Fraud Prevention

by Jerome Kehrli


Posted on Monday Apr 30, 2018 at 02:57PM in Banking


In this article, I intend to present my company's - NetGuardians - approach when it comes to deploying Artificial Intelligence techniques towards better fraud detection and prevention.
This article is inspired from various presentations I gave on the topic in various occasions that synthesize our experience in regards to how these technologies were initially triggering a lot of skepticism and condescension and how it turns our that they are now really mandatory to efficiently prevent fraud in financial institutions, due to the rise of fraud costs, the maturity of cybercriminals and the complexity of attacks.


Here financial fraud is considered at the broad scale, both internal fraud, when employees divert funds from their employer and external fraud in all its forms, from sophisticated network penetration schemes to credit card theft.
I don't have the pretension to present an absolute or global overview. Instead, I would want to present things from the perspective of NetGuardians, from our own experience in regards to the problems encountered by our customers and the how Artificial Intelligence helped us solve these problems.

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Presenting NetGuardians' Big Data technology (video)

by Jerome Kehrli


Posted on Friday Jan 05, 2018 at 07:00PM in Big Data


I am presenting in this video NetGuardians' Big Data approach, technologies and its advantages for the banking institutions willing to deploy big data technologies for Fraud Prevention.

The speech is reported in textual form hereafter.

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The Digitalization - Challenge and opportunities for financial institutions

by Jerome Kehrli


Posted on Tuesday Mar 21, 2017 at 09:52PM in General


A few weeks ago, I did a speech about the Digitalization and its impact on financial institutions, both in terms of challenges and opportunities in the context of my role as Head of R&D in my current company.
I am reporting here my speech as an article.

Even though the Digitalization and its impacts is something so widely discussed and studied nowadays, even in banking institutions, I still find it puzzling that so many of them struggle following the pace.
Having said that, many others on the other hand have well understood how much technology is about to disrupt the banking business just as Uber has disrupted the transportation business and AirBnB the lodging business and many good and enlightening initiatives start to flourish in the news.

But still, it seems to me that most innovations in banking are really coming from small players or even startups - think of fintechs - instead of coming from the big players of the banking industry. For instance, paying everything with a cellphone is a thing for a few years now in many African countries while it's not at all in Europe, even in Switzerland, THE country of banking.
Especially in Switzerland, financial institutions struggle keeping up with evolution of their business coming from the digitalization on one side and the regulatory pressure as well as the reduction of the margins on the other side.
Discussing this very matter further exceeds the scope of this article of course but I want to report below my speech notes and present what I see as the most important challenges and opportunities for the banking industry coming from the digitalization.

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Big Data and private banking, what for ?

by Jerome Kehrli


Posted on Wednesday Oct 05, 2016 at 10:50AM in Big Data


Big Data technologies are increasingly used in retail banking institutions for customer profiling or other marketing activities. In private banking institutions, however, applications are less obvious and there are only very few initiatives.
Yet, as a matter of fact, there are opportunities in such institutions and they can be quite surprising.

Big Data technologies, initiated by the Web Giants such as Google or Amazon, enable to analyze very massive amount of data (ranging from Terabytes to Petabytes). Apache Hadoop is the de-facto standard nowadays when it comes to considering Open Source Big Data technologies but it is increasingly challenged by alternatives such as Apache Spark or others providing less constraining programming paradigms than Map-Reduce.

These Big Data Processing Platform benefits from the NoSQL genes : the CAP Theorem when it comes to storing data, the usage of commodity hardware, the capacity to scale-out (almost) linearly (instead of scaling up your Oracle DB) and a much lower TCO (Total Cost of Ownership) than standard architectures.

Most essential applications for such technologies in retail banking institutions consist in gathering knowledge and insights on the customer base, customer's profiles and their tendencies by using cutting-edge Machine Learning techniques on such data.

In contrary to retail banking institutions that are exploiting such technologies for many years, private banking institution, with their very low amount of transactions and their limited customer base are considering these technologies with a lot of skepticism and condescension.

However, in contrary to preconceived ideas, use case exist and present surprising opportunities, mostly around three topics :

  • Enhance proximity with customers
  • Improve investment advisory services
  • Reduce computation costs

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