Simply check several characters at the beginning of the address and in the end. This is quite enough.
We are in crypto, here are not stupid email collectors and Viagra spammers.
People here are intelligent and often have good programming skills.
If they make a fake, you will not see it at the first glance.
So my advise is, be paranoic every day and doublecheck every times, before you hit enter.
Use two computers, one for crypto, one for surfing and so on.
Being paranoid in cryptoland is wise, not a psychological disease.
Sometimes its hard to be so thorough when pre sale or ICO is sold out in meter of minutes and you really need to be fast on order to not miss the sale. Thats why you need to prepare yourself beforehand and know your steps.
I.T. security is one of the most important concerns in crypto sphere and we must do our part to stay secure and be more vigilant against such intrusions!