Pierluigi Paganini
August 13, 2021
Microsoft warns of a long-running spear-phishing campaign that has targeted Office 365 customers in multiple attacks since July 2020. Microsoft revealed that a year-long spear-phishing campaign has targeted Office 365 customers in multiple attacks starting with July 2020. The attackers used invoice-themed XLS.HTML attachments, Microsoft reported that they changed obfuscation and encryption mechanisms every 37 […]
Pierluigi Paganini
February 09, 2021
Microsoft implements alerts for ‘nation-state activity’ in the Defender for Office 365 dashboard, to allow organizations to quickly respond. Since 2016, Microsoft has been alerting users of nation-state activity, now the IT giant added the same service to the Defender for Office 365 dashboard. The new security alert will notify companies when their employees are […]
Pierluigi Paganini
January 06, 2021
The US DoJ revealed that threat actors behind the SolarWinds attack have gained access to roughly 3% of the department’s O365 mailboxes. The US Department of Justice (DoJ) published a press release to confirm that the threat actors behind the SolarWinds supply chain attack were able to access thousands of mailboxes of its employees. “On […]
Pierluigi Paganini
November 28, 2020
Experts warn of a new sophisticated phishing scheme for stealing Office 365 credentials from small and medium-sized businesses in the U.S. The new sophisticated phishing scheme was implemented by threat actors for stealing Office 365 credentials, it leverages both cloud services from Oracle and Amazon for their infrastructure. The campaign has been active for more […]
Pierluigi Paganini
November 18, 2020
Microsoft is tracking an ongoing Office 365 phishing campaign aimed at enterprises that is able to detect sandbox solutions and evade detection. Microsoft is tracking an ongoing Office 365 phishing campaign that is targeting enterprises, the attacks are able to detect sandbox solutions and evade detection. “We’re tracking an active credential phishing attack targeting enterprises […]
Pierluigi Paganini
November 08, 2020
Experts spotted a creative Office 365 phishing campaign that inverts images used as backgrounds for landing pages to avoid getting flagged as malicious. Researchers at WMC Global have spotted a new creative Office 365 phishing campaign that has been inverting images used as backgrounds for landing pages to avoid getting flagged as malicious by security […]
Pierluigi Paganini
June 29, 2020
Experts are warning of a new phishing campaign aimed at Office 365 users that are returning to the workplace with Coronavirus training resources. Threat actors continue to use Coronavirus lures adapting their technique to the current situation. The attack techniques adopted by the threat actors depends on the state of businesses in each region. In […]
Pierluigi Paganini
May 04, 2020
The US DHS CISA agency issued a new alert that includes recommendations on how organizations should properly secure Microsoft Office 365 installs. The current COVID-19 pandemic is pushing organizations to adopt a growing number of cloud-based services, for this reason, the DHS CISA published a new alert that provides recommendations to secure Office 365 deployments. […]
Pierluigi Paganini
March 17, 2019
Threat actors targeted Office 365 and G Suite cloud accounts using the IMAP protocol to bypass multi-factor authentication (MFA). Over the past months, threat actors have targeted Office 365 and G Suite cloud accounts using the IMAP protocol to bypass multi-factor authentication (MFA). Experts at Proofpoint conducted an interesting study of massive attacks against accounts […]
Pierluigi Paganini
October 07, 2017
Security experts from Skyhigh Networks discovered a wide-scale attack with a new stealthy technique, dubbed KnockKnock, that targets Office 365 accounts. The cloud access security broker Skyhigh Networks discovered a wide-scale attack with a new stealthy technique, dubbed KnockKnock, that targets Office 365 (O365) accounts. The massive campaign leverages a low-key attack, started in May and is […]
