“Sophisticated attackers are now using “invisible malware,” a new form of attack that your firewalls can’t stop and your anti-malware software can’t find nor remove. Here are steps you can take right now to protect your servers and network.”
You Can Now Control Who Adds You To WhatsApp Groups
To enable it, go to Settings in your app, then tap Account > Privacy > Groups and select one of three options: “Nobody”, “My Contacts”, or “Everyone”. “Nobody” means you’ll have to approve joining every group to which you’re invited, and “My Contacts” means only users you have in your address book can add you to groups.