Does suspending TAILS then removing the USB drive increase security?

1. Is Tails still secure?
2. What does Tails do?
3. What size flash drive for Tails?

Is Tails still secure?

Reducing risks when using untrusted computers

Tails can safely run on a computer that has a virus. But Tails cannot always protect you when: Installing from an infected computer. Running Tails on a computer with a compromised BIOS, firmware, or hardware.

What does Tails do?

Tails can be used to operate a computer and access the internet without compromising user identity and data. Since Tails runs separately from the OS installed on a computer and doesn't make use of the computer's hard drive.

What size flash drive for Tails?

Tails is a 1.3 GB download and takes ½ hour to install. Tails can be installed on any USB stick of 8 GB minimum. Tails works on most computers less than 10 years old. You can start again on the other operating system after you shut down Tails.