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DNS for Cybersecurity

Support Silicon Dojo at: https://www.donorbox.org/etcg http://www.silicondojo.com/ DNS for Cybersecurity What is DNS Maps name to IP address: cnn.com - 151.101.1.67 Threats to DNS DNS Tracking DNS Poisoning Malicious Websites/ Malware Employees… HOSTS File Local DNS Configuration DNS in Router/ Modem ISP’s and DNS Collecting data ISP’s collect your traffic and sell it to advertisers ISP’s may redirect bad URL’s Public DNS Google 8.8.8.8 8.8.4.4 Cloudflare 1.1.1.1 Websites Connecting to Other Sites When you go to a website, many other sites are embedded in the page and your information can be collected. https://developers.google.com/speed/p... Fingerprinting https://privacy.net/analyzer/#accordion https://www.whatsmybrowser.org/ Pi Hole DNS Cacheing Unbound Recursive DNS Communicates with Authoritative DNS Servers OpenDNS https://signup.opendns.com/homefree/ DNSSEC It’s a mess DNS Security Problems Can Cause Unexpected Problems Do you know EVERY domain name your clients use? Talk to your users Can users change DNS Settings?