A new phishing service called Greatness is targeting Office 365 organizations in the U.S. and elsewhere.
Researchers warn of a "significant increase" in emails aiming to deliver the Qakbot malware.
A newly identified attack group known as Hydrochasma has targted medical and shipping companies in Asia with spear phishing campaigns that use freely available tools.
Researchers warn that a stealthy callback phishing attack has been targeting the legal and retail sectors with the end goal of stealing data for extortion.
A new Lookout report highlights a tangle of government mobile device security challenges, including the use of outdated or unmanaged devices, and a rise in phishing attacks targeting credentials.