ALTCHA Description
ALTCHA is a CAPTCHA alternative which uses a proof of work mechanism to protect websites and online services against spam.
ALTCHA uses a mechanism of proof-of-work to protect your website, online services, and APIs from spam and unwanted material. Unlike other solutions ALTCHA is open-source, self-hosted and free. It does not require external services and does not use fingerprinting or cookies.
ALTCHA Alternatives
ConnectWise SIEM
You can deploy anywhere with co-managed threat detection/response. ConnectWise SIEM (formerly Perch) is a co-managed threat detection and response platform that is supported by an in-house Security Operations Center. ConnectWise SIEM was designed to be flexible and adaptable to any business size. It can also be tailored to your specific needs. With cloud-based SIEMs, deployment times are reduced from months to minutes. Our SOC monitors ConnectWise SIEM and gives you access to logs. Threat analysts are available to you from the moment your sensor is installed.
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SpamTitan
SpamTitan email security protects businesses, schools, smbs and MSPs from spam. SpamTitan email security protects against spam, phishing, day-zero attacks and viruses, malware, ransomware and other threats to email.
It helps to control mail flow, clean it, protect against spam, and protect against unwanted email. We offer easy-to-use, yet powerful email security for businesses, smbs, and MSPs that is Office365-friendly.
SpamTitan Email Security is available for a free, fully supported trial.
SpamTitan – Premium functionality included
* CEO Impersonation protection
* Spearphishing Protection/ Phishing
* Link analysis
* Full Sanding
* Zero Day Attacks protection
* Mail Spooling
* Spoofing protection
* Ransomware and Malware Protection
* SPF/DKIM/DMARC checking
* Encryption
* Fully multi-tenant environment
* Ability to rebrand entire UI
* Full REST API
* Set up documents and support
SpamTitan Email Security is the best solution in the G2 Crowd Email Security. Start your free trial today!
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Prosopo CAPTCHA
Prosopo Procaptcha
Prosopo Procaptcha offers comprehensive protection against automated threats such as web scraping and credential stuffing. It also protects you from click fraud, distributed denial-of-service (DDoS), inventory hoarding attacks, credit card fraud and other malicious bot activities that can harm your business or compromise user information.
Our solution is a cost-effective alternative to expensive services such as reCAPTCHA or hCaptcha.
Procaptcha dynamically analyzes user interactions through the analysis of browser environments and behaviors. It automatically applies the challenge based on risk scores. This makes it difficult for bots and ensures a smooth user experience.
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MTCaptcha
MTCaptcha is a privacy-focused and accessible captcha service. It offers an adaptive invisible noCaptcha that ensures easy verification for humans while posing a challenge for bots. MTCaptcha complies with GDPR and WCAG, guaranteeing the protection of your data without any sharing or selling to third parties. The captcha images are colorblind-safe, and the widget is fully VPAT compliant, optimized for screen readers. Supporting multiple languages, MTCaptcha can be fully customized to match any webpage. It also provides audio support, enhancing accessibility for visually impaired users. Trusted by Enterprises, Government, NGOs worldwide, MTCaptcha is available in major languages and functions globally, including in China. Its adaptive Risk Engine effectively detects and responds to threats, maintaining the balance between challenging bots and facilitating human verification.
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Pricing
Pricing Starts At:
0
Pricing Information:
Free, with paid plans available.
Free Version:
Yes
Free Trial:
Yes
Company Details
Company:
BAU Software s.r.o.
Year Founded:
2023
Headquarters:
Czechia
Website:
altcha.org
Media
ALTCHA Sentinel
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Product Details
Platforms
Web-Based
On-Premises
Types of Training
Training Docs
Customer Support
Online Support
ALTCHA Features and Options
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