Data – S3lab http://s3lab.deusto.es S3lab Security Blog Wed, 06 May 2020 12:51:35 +0000 en-US hourly 1 https://wordpress.org/?v=5.1.5 Adapting the scam to these times http://s3lab.deusto.es/adapting-scam-times/ Sat, 28 Jan 2017 11:33:08 +0000 http://s3lab.deusto.es/?p=8802 Since ancient times, scam has been a practice carried out by scammers in order to gain a benefit (usually economic) through deception or social engineering techniques. The number of known campaigns is enormous and, unfortunately, increases as technology media advances.

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Since ancient times, scam has been a practice carried out by scammers in order to gain a benefit (usually economic) through deception or social engineering techniques. The number of known campaigns is enormous and, unfortunately, increases as technology media advances.

As we said, this is nothing new, one of the oldest cases is the well-known scam of the “Spanish prisoner”, in which the victim generally received a letter explaining that a high-class person had been imprisoned in Spain, and it was offered a large amount of money in exchange for contributing economically to his release. Over the years there have been several variants of this type of scam, but always sharing the same purpose, asking the victim for money to help in some kind of situation, in exchange for receiving a larger amount after the process.

As time progresses, new communication means emerge, and scammers adapt to such means to use them as distribution channels. The first clear example is the use of phone calls and SMS messages, which allowed them to reach a higher number of victims with less effort. Probably the best-known scam distribution medium is the email. Once email began to acquire users widely, and thanks to the capability of computers to automate tasks with little need for intervention, it has proven to be the most exploited scam distribution method in recent years.

But this doesn’t end here, scammers seek (and find) new distribution methods as technology advances and new media is developed. Long ago social networks were established as the new target of scammers, taking advantage of the credibility provided by a user profile (more or less elaborated) to trick victims. On the other hand, it is common to find news sites, blogs, etc. which incorporate commenting systems for their users, but unfortunately also provide a way for the indiscriminate sending of scam messages, targeting sites with more users to increase the likelihood of one of them falling.

Due to the continued growth of the scam and its varieties, different organizations have been formed with the aim of recording each identified case and working to prevent more people from suffering them, which is essential, since only in Australia is estimated a loss of around 80M$ in 2016. It is recommendable to follow the advice offered by those organizations, but the greatest tool against scam is common sense.

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Information is power http://s3lab.deusto.es/information-is-power/ Tue, 17 May 2016 09:57:40 +0000 http://s3lab.deusto.es/?p=8169 Information. Does anyone doubt that having sufficient information is not half victory? The phrase “information is power”, was said for a reason. In Security, having the necessary information is vital to know where to move, which elements exist and which

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Information. Does anyone doubt that having sufficient information is not half victory? The phrase “information is power”, was said for a reason. In Security, having the necessary information is vital to know where to move, which elements exist and which can be tested and break more easily. Knowing the importance of this step in security, every day appear more and more very powerful tools to help us in this task.

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WEKA, from data to information (Part III) http://s3lab.deusto.es/weka-from-data-to-information-part-3/ Tue, 16 Jun 2015 09:57:24 +0000 http://s3lab.deusto.es/?p=3996 We return with a new article on WEKA. Following the introduction on how to prepare the environment and how use some basic functions, and the second part in which we tried to dig a little deeper into this tool, now it

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We return with a new article on WEKA. Following the introduction on how to prepare the environment and how use some basic functions, and the second part in which we tried to dig a little deeper into this tool, now it do some tests to classify texts. And what use is it to analyze text will ask some, as we are this kind of technology in our day, when we receive suggestions on products that might interest us or, conversely, fail to receive that so annoying spam to automatically classify documents or when you simply perform a search in our favorite search engine.

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WEKA, from data to information (Part II) http://s3lab.deusto.es/weka-from-data-to-information-part-ii/ Tue, 10 Mar 2015 10:57:07 +0000 http://s3lab.deusto.es/?p=3447 To start, let’s download a new dataset with features wine production: wine.arff. To view the content, we can open it directly and select Weka as the default tool or within the Explorer section. If we look at the attributes of the

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To start, let’s download a new dataset with features wine production: wine.arff. To view the content, we can open it directly and select Weka as the default tool or within the Explorer section. If we look at the attributes of the dataset, we can see “class”, the class of each of the component parts.

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WEKA, from data to information (Part I) http://s3lab.deusto.es/weka-from-data-to-information-part-1/ Tue, 03 Feb 2015 11:02:05 +0000 http://s3lab.deusto.es/?p=3126 We start with the basics, installation and familiarization with the tool, and a simple example to see its possibilities. First, we download WEKA from the website of the University of Waikato in New Zealand. Within its download section, find the version

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We start with the basics, installation and familiarization with the tool, and a simple example to see its possibilities. First, we download WEKA from the website of the University of Waikato in New Zealand. Within its download section, find the version for developers and thus have the latest version (3-7).

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Starting as data scientist http://s3lab.deusto.es/starting-data-scientist/ Tue, 13 Jan 2015 11:38:12 +0000 http://s3lab.deusto.es/?p=3051 Terabytes of data stored everywhere, in various places, to everyone. Which is the reason of it, if we don’t use them for anything? Let’s start analysing.  You can predict the future with them and  understand  situations that happened long ago, it’s

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Terabytes of data stored everywhere, in various places, to everyone. Which is the reason of it, if we don’t use them for anything? Let’s start analysing.  You can predict the future with them and  understand  situations that happened long ago, it’s a really exciting science.

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