Adam Sewell

The Shopp Lockdown plugin watches for failed transactions on any Shopp payment gateway and limits the transactions to X number of tries.
This comes in handy when gateways like Authorize.Net limits your account after so many failed transactions.
Without this plugin, an attacker could initiate a temporary DoS attack by trying too many fraudulent cards in a short period of time.
This plugin has been tested with Shopp 1.2.x and Shopp 1.3.x

Shopp Lockdown

The Shopp Lockdown plugin watches for failed transactions on any Shopp payment gateway and limits…

Arevico

The fundamentals of securing your website. We believe in fixing security issues at the root, while keeping user convenience high. Arevico basic security helps you by:
<ul>
<li>requiring associated email to use as a login username</li>
<li>Enforce strong password</li>
<li>Enforce reset of weak passwords</li>
<li>Enforce password expiration after a specified amount of days</li>
<li>Hide or customize login error message</li>
<li>Lockout an account after too may failed login attempts</li>
<li>Send an email with a reset link to the email associated with the locked account.</li>
</ul>
You can determine which options you want to set in the admin menu.
Requirements
<ul>
<li>PHP5</li>
<li>Network site compatible</li>
</ul>
We plan on adding more security features. So be sure to <a href="http://arevico.com/support/" rel="nofollow ugc">contact us</a> if you have a great idea.

Arevico Security Basic

Secure your website with account lockdown, limited attempts, enforcing strong passwords and much more! Fix issues at the root, without user inconvenie …

Shopp Lockdown vs Arevico Security Basic