It’s time to stop our obsession with malware. Malware scanning is important after you’re hacked. Get a security plugin that prioritises security protection before “malware marketing”.
No-Nonsense, No-Hype. Just Good Security Protection. Shield is the only NO-nonsense security solution that defends and protects your WordPress sites against hackers and malicious bots, of all types. With our exclusive invisble “CAPTCHA” technology you can limit login attempts, block brute force attacks and prevent 100% bot comment SPAM.
Performance is critical. Shield Security automatically blocks bad IP addresses while optimising performance so your WordPress site never slows down because of bloated security, with large IP lookup tables .
Use the power of the network. ShieldNET is our new and exclusive network-based intelligence platform that draws-in information from all around the globe to help Shield Security plugins be smarter when assessing security threats and taking appropriate action.
Get the highest rated 5* Security Plugin for WordPress
Per download, Shield Security has the highest 5* rating in the WordPress plugin repository.
Leave Behind the Security Marketing Hype and Scare Mongering
Our Security solution isn’t designed to scare you and make you feel unsafe.
We’re all about delivering powerful security without the scary stories and fear-based marketing. We’re all about WordPress security without the marketing hype.
Shield Security is full of great security tools that let it make intelligent decisions to protect your site and maintain your site security and integrity, so you don’t have to.
Your Goal And Ours: Peace Of Mind and Freedom From Hackers
Bots are the #1 cause of WordPress security hacking.
To stay protected, your WordPress Security must be smarter and remain uncomplicated. Shield Security is the only WordPress security plugin with our exclusive, built-in Bot Detection.
2 Key WordPress Security Strategies
Shield Security uses 2 simple key strategies to protect your WordPress sites:
- Prevention – Detect Bots, Intrusions, and Hacks
- Cure – Block Bad Bots and Repair Hacks
Key Security Strategy #1: Hacking Prevention
Bad Bots are the primary cause for nearly all our security troubles – they’re relentless, automatic and powerful.
Shield Security is highly focused on their detection and eradication from your WordPress sites.
Blocking malicious bots before they do damage through malware and exploitation of vulnerabilities is the #1 security strategy to protect and enhance security on a WordPress site.
Shield detects these malicious visitors, then blocks their access to your site completely. This involves analysing different security bot-signals and combining them to identify a visitor as malicious.
These security signals include:
- site probes that generate 404 errors
- failed logins
- logins with invalid usernames
- xml-rpc access
- fake search engine web crawlers
- invalid user agents
- excessive website requests and resource abuse
- and many more signals our security team have identified.
Early identification and blocking of malicious bots reduces your WordPress site’s vulnerability to any sort of attack.
Key Strategy #2: Hacking Cure
Even with best security efforts, a site can get hacked. This usually involves file modification: either a hack file is added, or a file is changed.
There are 3 key WordPress assets whose files can be hacked:
- WordPress Core
- WordPress Plugins
- WordPress Themes
Almost every security plugin can now do #1 – it’s easy because WordPress.org provides file fingerprints for core files.
But, there are no hashes available for plugins and themes, so they can’t do it.
Shield is the only WordPress security plugin that offers full and accurate detection of file modifications for plugins and themes because we build our own file fingerprints.
Shield Security can compare the file contents of every plugin & theme in the WordPress.org repository, looking for changed or new files
And, if you’re a ShieldPRO client, you can protect premium plugins/themes too, including Yoast SEO and Advanced Custom Fields Pro.
Where possible, Shield Security will repair any unrecognised/modified files it detects.
Shield makes Security for WordPress easy
There’s no reason for your WordPress security to be so complicated.
Shield Security is the easiest security plugin to setup – you simply activate it and off you go! As you learn more, you can tweak the settings to suit your needs.
Non-stop Security Notifications Are Not Okay.
Your security plugin must be smarter, and take responsibility for decisions so you don’t have to.
Shield Security handles many problems for you, making intelligent security decisions without noisy email notifications.
WordPress Security Features You’ll Absolutely Love
- Exclusive AntiBot Detection Engine – The most powerful Bot Detection security system on any WordPress security plugin.
- Automatic Bot & IP Blocking – points-based security system to block bad bots.
- Add Security To Important Forms To Block Bots:
- Login Security
- Registration Security
- Password Reset Security
- [ShieldPRO] WooCommerce & Easy Digital Downloads Security
- [ShieldPRO] Memberpress, LearnPress, BuddyPress, WP Members, ProfileBuilder Security
- Brute Force Security Protection, Limit Login Attempts + Login Cooldown Security
- Powerful Firewall Security Rules
- Restricted Security Admin Access
- (MFA) Two-Factor / Multi-Factor Login Security Authentication:
- Google Authenticator
- [ShieldPRO] U2F Security Keys
- [ShieldPRO] Backup Login Security Codes
- [ShieldPRO] Multiple Yubikey per User
- [ShieldPRO] Remember Me (reduces 2FA requests for users)
- Block XML-RPC (including Pingbacks and Trackbacks)
- Block Anonymous Rest API
- Block, Bypass and Analyse IP Addresses
- Automatic IP Address Blocking Using Points-Based Security System
- Block or Bypass individual IPs
- Block or Bypass IP Subnets
- Full IP Security Analysis in 1 place to review activity on your sites
- Comprehensive WordPress File Security Scanner for Intrusions and Hacks
- Detect File Changes – Scan & Repair WordPress Core Files
- Detect Unknown/Suspicious PHP Files
- Detect Abandoned Plugins.
- [ShieldPRO] Malware Security Scanner – detects known and unknown malware.
- [ShieldPRO] Plugin and Theme Security Scanning – identify file changes in your plugins/themes.
- [ShieldPRO] Detect Plugins/Themes With Known Security Vulnerabilities.
- Create a Private Secure Login URL by hiding wp-login.php
- Detect (and Block) Comment SPAM from Bots and Humans.
- reCAPTCHA & hCAPTCHA support
- Never Block Google: Automatic Detection and Bypass for GoogleBot, Bing and other Official Search Engines including:
- Automatically Detect 3rd Party Services and Prevent Blocking Of:
- ManageWP / iControlWP / MainWP
- Pingdom, NodePing, Statuscake, UptimeRobot, GTMetrix
- Stripe, PayPal IPN
- CloudFlare, SEMRush
- Full Security Audit Trail – Monitor All Site Activity, including:
- All login/registration attempts
- Plugin and Theme installation, activation, deactivation etc.
- User creation and promotion
- Page/Post create, update, delete
- Advanced User Sessions Security Control
- Restrict Multiple User Login
- Restrict Users Session To IP
- Block Use Of Pwned Passwords
- Block User Enumeration (?author=x)
- [ShieldPRO] User Suspend – manual and automatic.
- Full/Automatic Support for All IP Address Sources including Proxy Support
- Full Traffic Log and Request Monitoring
- HTTP Security Headers & Content Security Policies (CSP)
Dedicated Premium Security Support When You Go PRO
The Shield Security team prioritises email technical support over the WordPress.org forums.
Individual, dedicated technical support is only available to customers who have purchased Shield Pro.
Discover all the advantages of switching your WordPress security Pro at our Shield Security store.
Note: When you enable the plugin, the firewall is not automatically turned on. This security plugin contains various different sections of security protection for your site and you should choose which you need based on your own requirements.
Why do we do this? It’s simple: performance and optimization – there is no reason to automatically turn on features for people that don’t
need it as each site and set of requirements is different.
This plugin should install as any other WordPress.org repository plugin.
- Browse to Plugins -> Add Plugin
- Search: Shield
- Click Install
- Click to Activate.
A new menu item will appear on the left-hand side called ‘Shield’.
Please see the dedicated security help centre for details on features and some FAQs.
How does the Shield Security compare with other WordPress Security Plugins?
Easy – we’re just better! 😉
Firstly, we don’t modify any core WordPress or web hosting file. This is important and explains why randomly you upgrade your security plugin and your site dies.
Ideally you shouldn’t use this along side other Anti-SPAM plugins or security plugins. If there is a feature you need, please feel free to suggest it in the support forums.
My server has a securiy firewall, why do I need this plugin?
This plugin is an application layer firewall, not a server/network security firewall. It is designed to interpret web calls to your site to look for attempts to circumvent it and gain unauthorized access.
Your network security firewall is designed to restrict access to your server based on certain types of network traffic. The Shield Security plugin is designed to restrict access to your site, based on certain types of web calls.
How does the IP Security Bypass List work?
Any IP address that is on the whitelist will not be subject to any of the firewall security processing. This setting takes priority over all other settings.
Does the IP Bypass support IP ranges?
Yes. To specify a range you use CIDR notation. E.g. ABC.DEF.GHJ.KMP/16
I want to review and manage IP addresses, where can I do that?
You can use IP Lists section. This is an essential tool you can use to analyse IP address, review information concerning blocked and bypassed IP addresses.
It shows you geo-location information and all the request made to your site by that IP, including offenses and any logged-in users.
I’ve locked myself out from my own site!
This happens when any the following 3 conditions are met:
- you have added your IP address to the firewall blacklist,
- you have enabled 2 factor authentication and email doesn’t work on your site (and you haven’t chosen the override option)
You can completely turn OFF (and ON) the Shield Security by creating a special file in the plugin folder.
- Open up an FTP connection to your site, browse to the plugin folder /wp-content/plugins/wp-simple-firewall/
- Create a new file in here called: “forceOff”.
- Load any page on your WordPress site.
- After this, you’ll find your Shield has been switched off.
Remember: If you leave one of these files on the server, it will override your on/off settings, so you should delete it when you no longer need it.
Which takes precedence… bypass list or block list?
Bypass List: so if you have the same address in both lists, it’ll be bypassed and never be blocked.
Can I assist with development?
Yes! We actively develop our plugin on Github and the best thing you can do is submit pull request and bug reports which we’ll review.
How does the pages/parameters whitelist work?
It is a comma-separated list of pages and parameters. A NEW LINE should be taken for each new page name and its associated parameters.
The first entry on each line (before the first comma) is the page name. The rest of the items on the line are the parameters.
The following are some simple security examples to illustrate:
On the edit.php page, the parameter with the name ‘featured’ will be ignored.
admin.php, url, param01, password
Any parameters that are passed to the page ending in ‘admin.php’ with the names ‘url’, ‘param01’ and ‘password’ will
be excluded from the firewall processing.
*, url, param, password
Putting a star first means that these exclusions apply to all pages. So for every page that is accessed, all the parameters
that are url, param and password will be ignored by the firewall.
How does the login cooldown security feature work?
Login Cooldown Security prevents more than 1 login attempt to your site every “so-many” seconds. So if you enable a login cooldown of 60 seconds, only 1 login attempt will be processed every 60 seconds. If you login incorrectly, you wont be able to attempt another login for a further 60 seconds.
This security system completely blocks any level of brute-force login attacks and a cooldown of just 1 second goes a long way to adding security to your WordPress login.
How does the GASP Login Guard work?
This is best described on the blog
How does the 2-factor authentication security work?
2-Factor Authentication is best described here.
I’m not receiving the email with 2FA verification code.?
Email delivery is a huge problem with WordPress sites and is very common.
Your WordPress is not designed to send emails. The best solution is to use a service that is dedicated to the purpose of sending emails.
I’m getting an update message although I have auto update enabled?
The Automatic (Background) WordPress updates happens on a WordPress schedule – it doesn’t happen immediately when an update is detected.
You can either manually upgrade, or WordPress will handle it in due course.
I’m getting large volumes of comment SPAM. How can I stop this?
You can use Shield Security to block 100% of automated spam bots and also block and analyse human spam. This is best described here.
Do you offer White Label?
Yes, we do. You can essentially rename the Shield Security plugin to whatever you would like it to be.
It ensures a more consistent brand offering and presents your business offering as a more holistic, integrated solution.
We go into further detail here.
I’d like to customise 2FA emails sent to my site users. How can I do that?
You can use our custom templates for this purpose.
How can I change the text/html in the Plugin Security Badge?
Use the following filter and return the HTML/Text you wish to display:
add_filter( 'icwp_shield_plugin_badge_text', 'your_function_to_return_text' );
How can I change the roles for login notification security emails?
Use the following filter and return the role in the function:
add_filter( 'icwp-wpsf-login-notification-email-role', 'your_function_to_return_role' );
Possible options are: network_admin, administrator, editor, author, contributor, subscriber
What changes go into each Shield Security release?
The changelog outlines the main changes for each release. We group changes by minor release “Series”. Changes in smaller “point” releases are highlighted
using (.1) notation. So for example, version 10.1.1 will have changelog items appended with (.1)
You can view the entire Shield changelog here.
Colaboradores y desarrolladores
«Shield Security – Scanners, Security Hardening, Brute Force Protection & Firewall» es un software de código abierto. Las siguientes personas han colaborado con este plugin.Colaboradores
«Shield Security – Scanners, Security Hardening, Brute Force Protection & Firewall» ha sido traducido a 7 idiomas locales. Gracias a los traductores por sus contribuciones.
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ShieldPRO delivers exclusive, enhanced security features for the serious site administrator
looking to maximise their WordPress security for themselves and their clients.
You’ll of course have direct access to our technical support team and the option to reach out to us for any security questions or concerns.