Mark Usher - Researcher with X-Force Content Security, IBM

Researcher with X-Force Content Security, IBM

Mark Usher is a security researcher and engineer with the IBM X-Force team. His expertise spans a range of content security areas including spam filtering, web filtering, Internet application profile and IP reputation. He holds a Bachelor in Computer Science from the University of York, England.

Advanced Threats August 21, 2017

All in a Spammer’s Workweek: Where Do the Busiest Spammers Work Around the Clock?

5 min read - According to recent IBM X-Force data, spammers and spam botnets typically work the same hours we do to maximize their returns.

Software Vulnerabilities May 30, 2017

Relying on Data to Mitigate the Risk of WordPress Website Hijacking

9 min read - To protect their WordPress sites from scammers, administrators must proactively patch and monitor their installations to weed out unwanted content.

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All in a Spammer’s Workweek: Where Do the Busiest Spammers Work Around the Clock?

Relying on Data to Mitigate the Risk of WordPress Website Hijacking

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