1. https://www.theguardian.com/small-business-network/2016/feb/08/huge-rise-hack-attacks-cyber-criminals-target-small-businesses.
2. Flow based analysis of APTs detecting targeted attacks in cloud computing;Vance,2014
3. https://www.scalar.ca/en/blog/major-cyber-attacks-on-financial-services-firms-illustrate-the-importance-of-data-security/.
4. https://www.fisglobal.com/Solutions/Banking-and-Wealth/Risk-and-Compliance/-/media/FISGlobal/Files/Report/2016-Risk-Practices-Survey.pdf.
5. www.virustotal.com.