A Sample of the "Microsoft Account Upgrade Mailbox Quota" Phishing Scam
From: Mlcrosoft Account Team <firstname.lastname@example.org>
Sent: Wednesday, April 26, 2017 8:11 PM
Subject: ATTENSION!! EMAIL USER!!!
Dear Email Owner
Your mailbox quota is full this may cause your mailbox so Impaired or you may no longer receive more More email to continue using your mailbox, you will immediate upgrade your mailbox with Amount. This service is free.
Upgrade mailbox quota here
Once the upgrade is complete, your email box will work effective.
Mail Service 2017
Microsoft users should never click on a link to sign int their accounts. They should always go directly to www.outlook.com, www.hotmail.com or www.live.com and sign into their accounts instead. Once they have signed in, they will be notified if their mailboxes are full or have run out of space.
For Microsoft users whose email accounts have already been hijacked, may click here for help to recover their accounts.