Theirs certificates are waste of time and money, anyone in their rightful mind would benefit more from doing a proper HND, HNC, Cisco certificates or any other. Even self-thought portfolio will give you more than a marking people without a clue regarding software engineering or cyber security.
If you do decide to accept their call they will attempt to scam you for over £2,000 course they can't even answer technical question about and start insulting you and your personal abilities because you don't find their product appropriate. Pure scam company.