You can try BuySellAds, which is most probably the most popular alternative to Google Adwords. Then there are some other alternatives. Refer to the following for more information.
http://www.ppchero.com/10-alternatives-to-google-adword/
Hope the above helps.
https://www.mavitunasecurity.com/blog/understanding-sql-injection-protection/
This security article contains development tips on how to write more secure web application code and also admin tips to help webmasters take proper security measures to protect their web applications from SQL injection attacks
https://www.mavitunasecurity.com/blog/automatic-web-application-vulnerability-testing-detection/
Because web applications have become really complex and large, it has become almost impossible to detect vulnerabilities in web applications unless you use automated tools.
http://www.wpwhitesecurity.com/wordpress-security/how-to-tell-wordpress-blog-website-hacked/
Here are some pointers which you can follow to help you tell if your WordPress is hacked. The earlier you find out, the less damage is done and the easier it is to recover.
http://www.websecurityscanners.com/web-hacking/email-address-disclosure-vulnerability-pinterest/
When I explain to people that these type of vulnerabilities still exist in today's modern and complex web applications, they laugh at me because they do not believe it.
https://www.mavitunasecurity.com/netsparker/
Netsparker web application security scanner automatically exploits detected vulnerabilities to ensure no false positives are reported.
https://www.mavitunasecurity.com/blog/sql-injection-vulnerability-history/
SQL injection has been around for 14 years and it is still the most dangerous and widely exploited web application vulnerability. Ever wondered why?
https://www.mavitunasecurity.com/blog/false-positives-web-application-security/
False Positives are a big problem in web application security and typically they hinder the process of securing a web application. Read more about false positives and how to tackle them, or better, avoid them!
With the new version of WP Security Audit Log plugin you can keep better track of what is happening on your WordPress blog and websites and identify any issues before they become WordPress problems.
There are several benefits to using automated web application security scanners to detect vulnerabilities.
https://www.mavitunasecurity.com/blog/owasp-top-10-2013-review/
In case you missed their release some time ago, here is a blog post explaining what is new and what changed in this year's OWASP Top 10.