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Md. Tahseen Khan

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Patna, India
Security Architect at Akamai
Joined May 15, 2021

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About
Experienced Security Architect with a demonstrated history of working in the internet industry. Strong information technology professional skilled in Security, Networking, CDN.
Experience
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Akamai
Aug 2016 – Present
Bengaluru
Security Architect
• Consulting and troubleshooting Akamai Security products like WAF, BOTMAN, PROLEXIC. • Daily work includes live network and application layer attack mitigation by creating custom signatures on SNORT and WAF after in-depth analysis. • WAF -Web Application Firewall, DDOS Mitigation, Bot-Manger, Radware Defense-Pro,Citrix Netscaler, Linux. • Knowledge in scripting languages like Python and bash. • Strong knowledge in cyber and information security concepts. • Knowledge in tools like Metasploit Framework, Nmap, Armitage, Nessus, Nikto OpenVas, Web-Shell. • Experience in WAF, DDOS Platform, Cloud Security, Network and application Security. • Various protocols knowledge like TCP, IP, UDP, SSL, TLS, HTTP, DNS. • Knowledge on functioning and working of Network Firewall, IPS, IDS, SNORT, Wireshark, NMAP, Burp Suite, Tcpdump. • Creating signatures using a regular expression, Snort rules, and Responder Policies to mitigate the attacks towards customers. • Working knowledge on web application vulnerabilities like cross-site scripting - XSS, SQL injection, command injection, LFI, RFI, PHP injection, CSRF, HTTP header anomalies, and OWASP top 10. • Sound knowledge Linux OS and File directory. • Escalating the bugs to engineering to Dev team and working to fix the issue within the SLA. • Part of global Akamai Security Services Escalation Team (S2ET). Troubleshoot a wide variety of products like Delivery, acceleration and security products of Akamai CDN. • Products include Ion, Terra Alta, WAA, DSD, CPS, FastDNS, GTM, WAF etc. • Troubleshoot issues related to caching, performance and security (WAF) • Collect and analyze logs for post-attack information and troubleshooting to mitigate future attacks and provide RCAs. • Work independently with customers' technical teams on both pre and post sales technical
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Aricent
Jun 2014 – Aug 2016
Gurgaon
Network Engineer
Working as a TAC engineer I assisted over a thousand Cisco’s customer configuring and troubleshooting their network. - Configure and troubleshoot Security Appliances ASA/PIX, IPS, Firewall Initialization, address translation (NAT, Global, Static). - Configure and troubleshoot IP routing and VLANs, Access Control Lists, Failover, creating Security contexts (virtual firewall), transparent firewall, Modular Policy Framework, CDA , Site to site VPN , AAA and wccp redirection of firewall. - Troubleshooting complex issues like high memory and CPU. - Good knowledge of Cryptography and in-depth understanding of common algorithms like RSA, AES, 3DES and DES. - Experience with Network and Intrusion Prevention system/ IPS modules / IDS ( Signatures, Mitigating DoS attacks, Endpoint security, Tuning) - Understanding of the various types of attacks and the various ways to mitigate attacks using the inbuilt features on Cisco Devices like MPF configuration on Cisco ASA/PIX. - Recreate issues faced by customers in my testing LAB whenever required on cases and filed bugs/caveats if found. - Advanced knowledge on monitoring, reporting, and troubleshooting issues