1. Information Security Breaches Survey (2015). pwc.co.uk/assets/pdf/2015-isbs-technical-report-blue-03.pdf
2. Forbes & IBM. The Reputational Impact of IT Risk (2014). www-935.ibm.com/services/multimedia/RLL12363USEN_2014_Forbes_Insights.pdf
3. Kaspersky Security Bulletin 2015, Overall statistics for 2015. securelist.com/files/2015/12/KSB_2015_Statistics_FINAL_EN.pdf
4. OWASP 2013 Top 10 Application Security Report. owasptop10.googlecode.com/files/OWASP_Top_10-2013.pdf
5. The Heartbleed Bug. heartbleed.com