1. Choraś, M. (ed.): Methodological Framework for Enhancing Cyber Security, Data Protection, and the Privacy of the Users, CIPHER Project Report published as a book with ISBN. ISBN 978-83-64539-00-8, 2014
2. Paul, I., PC World: Update: LinkedIn Confirms Account Passwords Hacked.
http://www.pcworld.com/article/257045/6_5m_linkedin_passwords_posted_online_after_apparent_hack.html
3. Kitten, T.: Bank Info Security, Eurograbber A Smart Trojan Attack. Hackers’ Methods Reveal Banking Know-How.
http://www.bankinfosecurity.com/eurograbber-smart-trojan-attack-a-5359/op-1
4. Brodkin, J.: Ars Technica, Dropbox Confirms It Got Hacked, Will Offer Two-Factor Authentication.
http://arstechnica.com/security/2012/07/dropbox-confirms-it-got-hacked-will-offer-two-factor-authentication/
5. Quinn, B., Arthur, C.: PlayStation Network Hackers Access Data of 77 Million Users. The Guardian (2011)