When it comes to choosing investment platforms, security is a key consideration. For maximum security, it is recommended to favor platforms regulated by relevant financial authorities, which provide additional protection for investors. Here are some types of investment platforms to consider for their security: 

1. Regulated Brokers: Online brokers regulated by renowned regulatory bodies such as the Securities and Exchange Commission (SEC) in the United States, the Financial Conduct Authority (FCA) in the United Kingdom, or the Financial Markets Authority (AMF) in France, offer a safer investment environment subject to strict investor protection standards. 

2. Real Estate Crowdfunding Platforms: Regulated real estate crowdfunding platforms can offer investment opportunities in real estate, with regulatory oversight to ensure transparency and security of transactions. 

3. Traditional Asset Trading Platforms: Traditional asset trading platforms such as stocks and bonds offered by established and regulated financial institutions offer a higher level of security due to their regulatory compliance obligations. 

4. Regulated Robo-Advisors: Robo-advisors regulated by regulatory bodies offer automated asset management services with security and compliance protocols. 

Additionally, it is important to consider the security measures each platform has in place, such as account security, data cryptography, two-factor authentication, as well as protection and refund policies in case of fraud. 

It is recommended to thoroughly research any potential investment platform to assess its reputation, security track record, and regulatory compliance before investing funds. Finally, consulting a financial advisor or qualified professional can be beneficial in evaluating the safety and suitability of investment platforms based on your specific financial needs.