C1b3rWall Academy’s cybersecurity in networks and architectures module delves into the DNS database, its security issues / attacks, points of improvement and system upgrades.

“DNS Firewall. Improving DNS to avoid headaches” is the title of the lecture that belongs to Module 1 of C1b3rWall Academy 2021: “Networks and architectures”, which is taught by Juan Antonio González Ramos, programmer of the Computing Services of the University of Salamanca, who has held the role of Webmaster of the Organization (2000-2005), Web Hosting Manager (2005-2010) and Head of the Systems Unit (2010-2020). He currently works as a marketing data analyst at the University’s Innovation Department.

DNS databases are distributed, hierarchically organized and comply with a standard defined by RFC 1035 and 1035 of 1987, which are now quite obsolete.

DNS have been experiencing security problems for several years. At the moment, the software is vulnerable, for example, to DoS/DDoS denial-of-service attacks. They can also be subject to failed or faulty configurations, as well as cache poisoning or DNS spoofing, all because the specifications do not include security features, so these systems need to be upgraded and updated. The improvement of this system is DNS firewall. You can read the full article on News-365.

If you would like to learn about this topic and other issues related to DNS-dependent attacks and their areas requiring improvement, do not miss the opportunity to enrol in C1b3rWall Academy 2021 for free.

Posted by Juan M. Corchado

Juan Manuel Corchado (15 May 1971, Salamanca, Spain) is Professor at the University of Salamanca. He has been Vice-Rector for Research from 2013 to 2017 and Director of the Science Park of the University of Salamanca. Elected as Dean of the Faculty of Science twice, he holds a PhD in Computer Science from the University of Salamanca and a PhD in Artificial Intelligence from the University of the West of Scotland. He leads the renowned BISITE (Bioinformatics, Intelligent Systems and Educational Technology) Research Group, created in 2000. Director of the IoT Digital Innovation Hub and President of the AIR Institute, J. M. Corchado is also Visiting Professor at the Osaka Institute of Technology since January 2015, Visiting Professor at the Universiti Malaysia Kelantan and Member of the Advisory Group on Online Terrorist Propaganda of the European Counter Terrorism Centre (EUROPOL). J. M. Corchado has been president of the IEEE Systems, Man and Cybernetics Society, and academic coordinator of the University Institute for Research in Art and Animation Technology at the University of Salamanca, as well as researcher at the Universities of Paisley (UK), Vigo (Spain) and the Plymouth Marine Laboratory (UK). He currently combines all his activity with the direction of Master programmes in Security, Digital Animation, Mobile Telephony, Information Systems Management, Internet of Things, Social Media, 3D Design and Printing, Blockchain, Z System, Industry 4.0, Agile Project Management, and Smart Cities & Intelligent Buildings, at the University of Salamanca and his work as editor-in-chief of the journals ADCAIJ (Advances in Distributed Computing and Artificial Intelligence Journal), OJCST (Oriental Journal of Computer Science and Technology) or Electronics MDPI (Computer Science & Engineering section). J. M. Corchado mainly works on projects related to Artificial Intelligence, Machine Learning, Blockchain, IoT, Fog Computing, Edge Computing, Smart Cities, Smart Grids and Sentiment Analysis. He has recently been included in the board of trustees of the AstraZeneca Foundation, along with other health professionals and researchers recognised for bringing scientific knowledge closer to society.

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