Security Market Segment LS
Monday, 07 August 2017 09:26

Malicious cloud content increasingly arriving on secure connections

By

Cloud security company Zscaler claims that the amount of malicious content being transmitted over SSL/TLS has more than doubled over the last six months.

However the overall figures are small: 12,000 phishing attempts were blocked each day while there were 300 hits per day for Web exploits, both cases referring to malicious code delivered over secure connections.

The figures were derived from a study done by the company's ThreatLabZ and found that an average of 60% of transactions in the Zscaler security cloud were delivered over SSL/TLS.

The numbers are based on Zscaler customers who use the SSL inspection feature.

Zscaler had the largest share of the cloud security market in Australia, New Zealand and India as of October last year, according to a study done by Frost & Sullivan.

"Hackers are increasingly using SSL to conceal device infections, shroud data exfiltration and hide botnet command and control communications,"said Deepen Desai, senior director, security research and operations. 

"In fact, our study found that the amount of phishing attempts per day delivered over SSL/TLS has increased 400% from 2016."

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Sam Varghese

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Sam Varghese has been writing for iTWire since 2006, a year after the site came into existence. For nearly a decade thereafter, he wrote mostly about free and open source software, based on his own use of this genre of software. Since May 2016, he has been writing across many areas of technology. He has been a journalist for nearly 40 years in India (Indian Express and Deccan Herald), the UAE (Khaleej Times) and Australia (Daily Commercial News (now defunct) and The Age). His personal blog is titled Irregular Expression.

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