Saya biasanya menerima pertanyaan tentang mengapa saya memiliki stiker pada sensor cahaya sekitar laptop dan ponsel saya. Beberapa berpikir saya tidak tahu perbedaan antara sensor cahaya dan kamera dan mencoba menjelaskan kepada saya bahwa ini bukan kamera. Apa yang mereka tidak ketahui adalah bahwa sensor cahaya sekitar bisa…
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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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This post is a response to a friend who is seeking a cybersecurity role in an extremely challenging market. Given that this is a widespread issue these days, 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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My first encounter with the world of cyber-criminals occurred through a watering hole attack campaign many years ago. 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 (penolakan layanan terdistribusi) dan DoS (penolakan layanan) serangan dapat secara umum diklasifikasikan ke dalam tiga kategori berdasarkan lapisan model OSI yang mereka targetkan: lapisan jaringan (Lapisan 3), lapisan transport (Lapisan 4), dan lapisan aplikasi (Lapisan 7). Lapisan 3 dan Lapisan 4 serangan biasanya kurang kompleks–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) dan Lapisan 4 (Transport) firewalls, which…
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Canvas fingerprinting, dan pelacak Zombie cookie bukanlah hal baru; namun, metode ini telah ditingkatkan dan menjadi sangat efektif seiring waktu. Baru-baru ini, sebuah studi mengungkapkan bahwa satu dari setiap empat 10,000 situs web yang paling sering dikunjungi di internet menggunakan canvas fingerprinting untuk melacak pengunjung dengan hingga 99.9% ketepatan. Upaya pelacakan untuk mengumpulkan…
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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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