| Manning | Free ebooks: the majority are an aggregation of chapters from various books. Plus, books being sponsored here (free courtesy of 3rd party sponsor) |
| Packt | free ebook scheme releasing different titles regularly, along with a core set of free titles |
| O’Reilly free books and Reports | Free ebooks and lots of reports |
| Apress | Pro GIT, InfoSec Handbook, etc |
| EBook Foundation | Free developer and related ebooks. |
| RedHat sponsored ebooks | Also, RedHat sponsors Harvard Biz Review articles for free in the Harvard Business Review at the EnterpriserProject site |
Rational Cybersecurity for Business
The Security Leaders’ Guide to Business Alignment | APress book that tackles security from a business lead viewpoint. Addresses the challenges of organisational engagement, support, etc. |
Phil (aka MP3Monster)'s Blog 