[FD] Lock Browser 5.3 (Browser Security, Open Source, Python)

[David Leo <david.leo@xxxxxxxxxxxxxxx>]

SUMMARY
This open source tool strictly controls what web browser can access, which 
stops web browser from loading harmful content - Phishing, Non-Secure HTTP, or 
whatever that's not in your whitelist.

SITUATION
"Security flaws in Google Chrome, Microsoft Edge, and Apple Safari were all 
successfully exploited... browsers as well as Windows, OS X, and Flash"
http://venturebeat.com/2016/03/18/pwn2own-2016-chrome-edge-and-safari-hacked-460k-awarded-in-total/

ATTACK
Attacks have to make target's browser load attacker's website, which has two 
scenarios - send the link(phishing), or control a website that target will 
visit. The latter is difficult because web servers are usually(not always) much 
more secure than web browsers, and attackers simply don't know which websites. 
The former, Phishing, is "mainstream", because it's a lot easier: the address 
of email sender can be faked, the content of email can look 100% legitimate and 
compelling, and the URL can hide behind redirection service("dereferer" of 
email system, t.co, or whatever).

SOLUTION
Whitelist - for example, the whitelist contains Gmail, PayPal, Chase, GitHub, 
and Twitter. Attacker's website is not in the whitelist, so the harmful content 
does not reach browser, even if some users are "stupid enough" to click links 
from The Phishing Guy.

URLs
Project Home Page: https://www.lockbrowser.com/
Source Code: https://www.lockbrowser.com/source/

HISTORY
It's fork of HTTPS Only released in March:
http://seclists.org/fulldisclosure/2016/Mar/77
And this is likely the last version - because the source code is so short and 
simple, maybe there is really no bug here! Let me hope so.

Kind Regards,


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