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Evolution of Cybercrime Costs (II)

Uber cuts $120 million after discovering ad fraud...

In a previous blog post, we discussed some of the findings of Anderson et al. (2019) regarding the changes in cybercrime costs, more prominently in the United States and the United Kingdom. We...



Rubber duckies

Understanding Program Semantics

With symbolic execution

Thus far, we have established the need to represent code as vectors before feeding it into a machine learning classifier that will help us sort through a messy project. We have also discussed at...



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Your Files Have Been Encrypted!

Some pieces of information about ransomware attacks

When we talk about ransomware we refer to a very popular kind of malware. A malicious software that being on your computer (also on your mobile device) is capable to encrypt some of your important...



Book in two languages

Can code be translated?

From code to words

Now that we have a better undestanding of how natural language and code embeddings work, let us take a look at a work by the same authors of code2vec, entitled code2seq: generating sequences from...



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Evolution of Cybercrime Costs (I)

Impact of cybercrime today portrays a new landscape

Every year, the Workshop on the Economics of Information Security (WEIS) gathers renowned social and computer scientists (both from and outside academia). In WEIS, the economic implications of...



Target and darts

Further down code2vec

Vector representations of code

Let us continue with our series on representing objects as vectors: natural language, code, let us take a deeper look at how code2vec works. Even personality profiles can be represented as vectors...



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Caution! Your Password Can Be Mine

A very short introduction to password cracking

Passwords are currently the most popular authentication method in computer systems and IT, and can serve as protection of our private information in email and bank accounts, social networks, and...



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Bankrupt by Wrong Cybersecurity!

How some firms (especially SMBs) can go broke

How often do we hear a company went bankrupt because of a hack? You’ve probably never heard about such a thing. What we usually see in newspapers is millions of dollars in losses, big corporations...



Arrows vector field

Embedding code into vectors

Vector representations of code

As we have stated over and over in the past, the most critical step in our ongoing project of building a machine learning (ML) based code classifier will be that of representing the code as...



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The Vectors of Language

Distributed representations of natural language

Recall that in previous iterations we described the required steps for our code classifier to work, which can be roughly summarized as: Fetching data. Representing code as vectors. Training the...



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How to Pass the OSCP

The meaning of Try Harder

Before taking the exam I already had years of work work experience as a penetration tester at Fluid Attacks. So, I already had the knew how to perform a penetration test and how to build a...



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Debug like a Boss

Should CEOs discuss software defects?

You wake up, and probably check your smartphone immediately. Chances are you already have smart devices at home; like light bulbs, you turn on and off from the same smartphone. You often check...




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