Köszönhetően a Mastercard hosszú éves szabadságának (van nekünk 25 nap!) I took a two week trip to Egypt earlier this month to visit a place I have always wanted to see: the burial tombs of the ancient pharaohs in the Valley of the Kings. As a security engineer, I could not help looking at these…
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Ez a bejegyzés egy barátomnak íródott, aki kiberbiztonsági szerepet keres egy rendkívül kihívásokkal teli piacon. Mivel manapság ez egy gyakori probléma, I decided to write a post rather than simply leaving a comment. Various statistics from multiple sources suggest that there is a wide gap in cybersecurity roles,…
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Az első találkozásom a kibertámadók világával sok évvel ezelőtt egy watering hole támadáskampány során történt. I visited a Persian website and discovered that it was downloading malware onto visitors’ browsers. I promptly contacted the site administrator, who informed me that they had no technical knowledge of the issue. It became apparent that…
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I have heard this many times over the course of the last several years: someone is experiencing a heavy DDoS attack on their website. When I ask them what type of attack they are experiencing, the answer is usually that the bad guys are sending them thousands or even millions of POST requests. When I…
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DDoS (distributed denial of service) and DoS (denial of service) attacks can be broadly classified into three categories based on the layers of the OSI model they target: network layer (Layer 3), transport layer (Layer 4), and application layer (Layer 7). Layer 3 and Layer 4 attacks are typically less complex–even though that they might…
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The web application firewall (WAF) is a security tool used to guard against unwanted access to web applications. It is often a security device that sits on top of a web server and guards against threats from the internet or from beyond the network perimeter. Unlike Layer 3 (Network) and Layer 4 (Transport) firewalls, which…
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Canvas fingerprinting, and Zombie cookie trackers are nothing new; however, these methods are improved and have become notoriously effective over the time. Recently, a study revealed that one in every four 10,000 most visited websites on the internet uses canvas fingerprinting to track the visitors with up to 99.9% accuracy. The tracking attempt to collect…
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Sok éven át, I zealously have used Suhosin with any implementations of PHP5 on Apache2 or PHP-FPM Nginx webservers to defend against SQL injection and other common web attacks. Valójában, A PHP5 annyira katasztrofális volt, mind az alapvető biztonság szempontjából, and its functions and modules that I could have never conceived using it…
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