Posts Tagged ‘spikes’

“Super Bowl” and “March Madness” in the Enterprise

Mar

2012

With the Super Bowl in early February and the NCAA basketball tournament (“March Madness”) sports are a major focus of attention in Quarter 1. That means a lot of bandwidth consumed by the enterprise and time spent by employees on this subject. One report calculated that an estimated $1.7B is to be lost in productivity […]

Category Security Written by Zscaler Research 0 Comments

Cutwail Drives Spike in Malicious HTML Attachment Spam

Feb

2012

Over the past month, we have observed several large spam campaigns with malicious HTML attachments. We believe the botnet behind these campaigns is Cutwail. Here is data we collected, starting from the first day of 2012, illustrating spikes of spam with malicious HTML attachments: Attaching an HTML file to an email is a tactic we […]

Category Security Written by M86 Security Labs Blog 0 Comments

Analysis of compromised web sites – hacked PHP scripts

Oct

2011

Things have been pretty busy lately as far as web attacks ago. Over the past few weeks we have seen several large spikes of threat detections, corresponding to various waves of mass defacement attacks against legitimate web sites. Pages on the hacked sites are typically injected with iframes (or scripts that add iframes), which explains […]

Category General Written by Naked Security - Sophos 0 Comments

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Posts Tagged ‘spikes’

“Super Bowl” and “March Madness” in the Enterprise

Cutwail Drives Spike in Malicious HTML Attachment Spam

Analysis of compromised web sites – hacked PHP scripts

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