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WordPress Security

for BeginnersSimple Steps to Bui ld Your Master

P lan

Wo r d C a m p L o u i s v i l l e 2 0 1 6

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Did You Know?• There are 3.26 bi l l ion internet users as of

December 2015; that’s over 40% of the world population.• Only 44% of web traffic is from humans; 56%

of web traffic is from bots, impersonators, hacking tools, scrapers and spammers.

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What We’ll Cover Today• Why and How Websites Get Hacked• What We Al l Should Be Doing• Going Above and Beyond• After the Hack

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Adam W. Warner•WordPress Evangel is t at S i teLock•Co-Founder at FooPlug ins•Discovered WordPress in 2005•WordPress Community Addict• Fan of Fracta ls• Lover of Meatbal ls• Proud Dad!

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Hacking Techniques• Vulnerabi l i ty scanning• Server disruption• Monetary loss• Information leaks• Vandalism (defacement)

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Why Websites Get Hacked• Drive-by-downloads• Redirections• System resources• Because they don’t l ike you

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Why MY Site!?

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Opportunity• I t ’s not you, it ’s them• Because it’s possible• Because we give them an opening

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Automation• Most hacking attempts are automated

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How Websites Get Hacked• 41% get hacked through vulnerabi l i t ies in

their hosting platform• 29% by means of an insecure theme• 22% via a vulnerable plugin• 8% because of weak passwords

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Two Categories of Security

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Access Controls

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Software Vulnerabilities• Anywhere there is a system, there’s a

potential software vulnerabi l i ty waiting to be exploited

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What Do Hacks Look Like?

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Where Do You Start?• With yourself of course

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Simple Steps for Everyone

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Strong Passwords: Everywhere

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Reusing Passwords

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Even More About Passwords

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Password Managers• LastPass• Dashlane• Roboform• TrueKey

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Your Computer

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Public NetworksUse a VPN. Please!

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Don’t Change Core

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Backup. Backup. Backup.

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Update. Update. Update.

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Remove Inactive Software

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Install Software Only from Official Sources

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Choose a Secure Host

https:/ /wordpress.org/hosting/

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Latest Version of PHP

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Admin Usernames and Nicenames

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Security Plugins and Services

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SSL

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Kick It Up a Notch

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Limit Login Attempts• Limit Login Attempts• Login Lockdown

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2FA (Two-Factor Authentication)

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Clef

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File Permissions

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Default Table Prefix

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.htaccess and wp-config.php

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Authentication Keys and Salts

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Disable PHP Execution

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Disable File Editing

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Secure wp-config.php

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Disable XML-RPC?

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Learn More

https:/ /codex.wordpress.org/Hardening_WordPress

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Install a Firewall

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(CDN) Content Delivery Network

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How to Detect a Hacked Site• Visit your site often• Search for your site• Unexplained spikes in traffic• Investigate customer/visitor reports• continued…

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Detect a Hacked Site (con’t…)• Google Search Console (email alerts)• Remote scanner• Malware scanner• Source code scanner• Service that detects site changes

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What To Do If You’re Hacked

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Clean It Yourself

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Use a Service• Security is their core business• Cleans files, databases, backdoors, etc.• Remove malware warnings• Remove from blackl ists• Helps services learn for the benefit of al l

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What To Do After Cleanup• Change ALL passwords• Change WP secret keys and salts• Read this again: h t t p s : / /

c o d ex . w o rd p re s s . o rg / H a rd e n i n g _ Wo rd P re s s

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Now What?

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Thank You – Questions?• Fol low at:• @SiteLock• @wpmodder

• SlideShare• http://www.slideshare.net/wpprobusiness

• My Blog Posts:• http://wpdistrict.sitelock.com• http://adamwwarner.com