Security research:

Static and dynamic malware analysis by Reverse engineering, sandboxing, network simulation.
Reversing and de-obfuscating browser based threats like Exploit kits, Adwares and social media scams.
File format analysis for exploitation: PDF, Flash and Java exploits.
System and network log analysis to build correlations and identify potential threats that goes undetected.
Digging Big data infrastructures (logs, pings, alerts) to identify security related events.
Penetration testing through automated tools like Metasploit, Core Security, Armitage.

Security Development:

Host and Network based IDS/IPS signature writing skills.
File based signature writing skills for static AVs.
YARA based rules for malware categorization.
Logs based queries in Splunk.
Arcsight based rules to fire alerts on glass.
Python scripting for development and enhancement.

Security Tools and Products:

IDA, WinDBG, Wireshark, Arcsight, RSA Netwitness, Splunk, Metasploit, Core security, Nmap, SWFTools, Java Decompiler, PDF Stream Dumper, Nessus, Snort, Suricata, ClamAV.

Contribution to Security community:

Author of three different books on security that have sold over 7000 copies worldwide.
Authored a video series on Metasploit.
Contributed three different auxiliary modules on AV bypass to Metasploit repository.
Frequent contributor of signatures to Emerging threats community.
Share my small security development tools on wiki.securitycalculus.com.
Share my regular encounters with different aspects of information security on blog.securitycalculus.com

Conference and Talks :

Black Hat Asia, 2015 - The underground Ecosystem Of Credit Card Frauds
https://www.blackhat.com/asia-15/speakers/Abhinav-Singh.html

Cyber Resilience in Financial Institutions, 2015 - Building Big data mindset to defeat threats

http://www.marcusevans-conferences-panasian.com/marcusevans-conferences-event-details.asp?EventID=21663