Microsoft Reports Cyberattacks on Targeted Email Accounts

["US-CERT" <US-CERT () ncas us-cert gov>]

Cybersecurity and Infrastructure Security Agency Logo

National Cyber Awareness System:

Microsoft Reports Cyberattacks on Targeted Email Accounts [ 
https://www.us-cert.gov/ncas/current-activity/2019/10/04/microsoft-reports-cyberattacks-targeted-email-accounts ] 
10/04/2019 07:33 PM EDT 
Original release date: October 4, 2019

The Microsoft Threat Intelligence Center (MSTIC) has released a blog post describing an increase in malicious cyber 
activity from the Iranian group known as Phosphorus. These threat actors are exploiting password reset or account 
recovery features to take control of targeted email accounts.

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users to review the Microsoft blog [ 
https://blogs.microsoft.com/on-the-issues/2019/10/04/recent-cyberattacks-require-us-all-to-be-vigilant/ ] for 
additional information and recommendations and CISAs Tip on Supplementing Passwords [ 
https://www.us-cert.gov/ncas/tips/ST05-012 ].

This product is provided subject to this Notification [ https://www.us-cert.gov/privacy/notification ] and this Privacy 
& Use [ https://www.dhs.gov/privacy-policy ] policy.

body { font-size: 1em; font-family: Arial, Verdana, sans-serif; font-weight: normal; font-style: normal; color: 
#333333; } ________________________________________________________________________

A copy of this publication is available at www.us-cert.gov [ https://www.us-cert.gov ]. If you need help or have 
questions, please send an email to info () us-cert gov. Do not reply to this message since this email was sent from a 
notification-only address that is not monitored. To ensure you receive future US-CERT products, please add US-CERT () 
ncas us-cert gov to your address book. 

OTHER RESOURCES: Contact Us [ http://www.us-cert.gov/contact-us/ ] | Security Publications [ 
http://www.us-cert.gov/security-publications ] | Alerts and Tips [ http://www.us-cert.gov/ncas ] | Related Resources [ 
http://www.us-cert.gov/related-resources ]  

STAY CONNECTED: Sign up for email updates [ http://public.govdelivery.com/accounts/USDHSUSCERT/subscriber/new ]