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Jonathan Armas

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Is that CSV Secure?

Defining CSV injection vulnerabilities
Quill icon Jonathan Armas   Folder icon attacks   Tag icon security,  csv,  code,  web

Comma-Separated Values file (or CSV) is a type of file that stores tabular data, numbers and text in plain text. Each line of the file is a data record and each record consists of one or more fields separated by commas. CSV is a common data exchange format that is …



Pyramids in the desert

Types of triangles

Solving CodeAbbey Pythagorean Theorem challenge
Quill icon Jonathan Armas   Folder icon challenges   Tag icon pythagoras,  code,  challenge,  solve

A triangle is a 3-sided polygon sometimes (but not very commonly) called the trigon. Every triangle has three sides and three angles, some of which may be the same. The sides of a triangle are given special names in the case of a right triangle, with the side opposite the …



Magnifying glass finding password in a set of binary data

Storing passwords safely

Solving Yashira hash challenge 3
Quill icon Jonathan Armas   Folder icon challenges   Tag icon password,  security,  challenge

By the end of the year, we witnessed a huge increase in the amount of attacks that extracted large quantities of personal information, emails and passwords. Even one of the biggest email services, Yahoo, suffered an attack by cyber-criminals and they robbed more than 500000 accounts, in doing so, accessing …



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