Mano pirmasis susidūrimas su kibernetinių nusikaltėlių pasauliu įvyko per laistymo angų atakų kampaniją prieš daugelį metų. 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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Per pastaruosius kelerius metus tai girdėjau daug kartų: kažkas patiria sunkią DDoS ataką savo svetainėje. 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 (paskirstytas atsisakymas teikti paslaugas) ir DoS (atsisakymas įteikti paslaugas) atakas galima plačiai suskirstyti į tris kategorijas, atsižvelgiant į OSI modelio, į kurį jos nukreiptos, sluoksnius: tinklo sluoksnis (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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For many years, 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. In fact, PHP5 was so disastrous, both in terms of its core security, and its functions and modules that I could have never conceived using it…
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