Malware and vulnerabilities have roared in early in 2018. On this week's Checklist by SecureMac, three hazards and two helpers about which you should know. Items on the list include:

• Coldroot
• Shlayer
• A secret crypto-miner in the Mac App Store
• LuLu: an open-source outbound firewall app
• Mozilla locking Facebook in a box

Don't forget to check out our show notes:

SecureMac.com/Checklist

And get in touch with us:

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