Author Archives: Symantec Security Response

As Emotet activity increased, Symantec blocked as many as 1 million Emotet spam emails per day Continue reading Increase in Emotet Spam Observed, Blocked by Symantec→

Living-off-the-land techniques remain popular, with Symantec blocking 480,000 PowerShell commands in one month alone. Continue reading Living off the land: Attackers leverage legitimate tools for malicious ends→

Phishing and the Era of Abusing File Sharing Services Continue reading Symantec Enterprise Division: Sharing Ain’t Always Caring→

Almost 300 million extortion scam emails were blocked by Symantec in the first five months of 2019. Continue reading The Revival and Rise of Email Extortion Scams→

Symantec examines the latest trends and themes in BEC scams in the last 12 months. Continue reading BEC Scams Remain a Billion-Dollar Enterprise, Targeting 6K Businesses Monthly→

With several new targeted ransomware groups emerging over the past two years, the number of organizations being hit by targeted ransomware attacks has multiplied. Continue reading Targeted Ransomware: Proliferating Menace Threatens Organizations→

ASUS update system hijacked to send out malicious updates to as many as half a million computers. Continue reading ASUS Software Updates Used for Supply Chain Attacks→

ISTR Volume 24 is here, providing insights into global threat activity, cyber criminal trends, attacker motivations, and other happenings in the threat landscape in 2018. Continue reading ISTR 24: Symantec’s Annual Threat Report Reveals More Ambitious and Destructive Attacks→

Symantec part of industry group that assisted FBI-led takedown against 3ve ad-fraud scam Continue reading Operation Eversion: Eight Indicted in Law Enforcement Takedown→

Cyber attackers are using old tricks and new to steal customers’ payment card details from retailers this shopping season. Continue reading You Better Watch Out: Online and Offline Threats Endanger Payment Card Data→