Quite a few online retailers do not have the padlock actually.
I still use them though and in fact use Viking myself.
Please don't treat this as advice. I'm not qualified to offer it on this subject but I've not had a problem to date.
Huawei P10 review
1995-2015: How technology has changed the world in 20 years
An overview: What leading creative agencies are doing to improve diversity
New iPad, iPhone SE & Red iPhone 7 on sale now
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.