De obicei primesc întrebări despre motivul pentru care am un autocolant pe senzorii de lumină ambientală ai laptopurilor și telefonului meu. Unii cred că nu știu diferența dintre un senzor de lumină și o cameră și încearcă să-mi explice că acesta nu este o cameră. Ceea ce nu știu este că senzorii de lumină ambientală pot fi…
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Thanks to Mastercard’s long annual leave (we have 25 days!) 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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Această postare este un răspuns pentru un prieten care caută un rol în securitate cibernetică într-o piață extrem de provocatoare. Având în vedere că aceasta este o problemă răspândită în zilele noastre, 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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Prima mea întâlnire cu lumea criminalilor cibernetici a avut loc printr-o campanie de atac watering hole cu mulți ani în urmă. Am accesat un site persan și am descoperit că descărca malware pe calculatoarele vizitatorilor’ navigatoare web. Am contactat imediat administratorul site-ului, care mi-a spus că nu avea cunoștințe tehnice despre problemă. A devenit evident că…
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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% acuratețea. 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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