How does IS communicate securely?

Governments around the world want to make it easier to read communications, in the wake of Paris attacks
In the wake of the terrible events in Paris, governments around the world have renewed their calls for tech companies to design products that will allow law enforcement agencies to better monitor communications.

How do Islamist militants communicate?

Islamic State fighters drive armoured vehicles through Raqqa, Syria (30 June 2014)Image copyright AP
Digital forensics expert witness Prof Peter Sommer says Islamic State (IS) militants would probably shun the high-profile communication companies.
"They are not using the big obvious systems at all," he tells the BBC.
"There are lots of entrepreneurs who set up systems for libertarians to use and the terrorists quickly identify these.
"Systems such as SureSpot offers consumers an easy way to use encryption."
Cybercrime consultant Prof Alan Woodward says the availability of encrypted systems makes the security agencies crackdown "absolutely pointless".
"They are all now using the OTR [Off the Record] protocol, which offers end-to-end encryption," he says.
"Even if you managed to stop companies providing OTR, there are plenty of free-add-ons available.
Click the link below to read more
http://www.bbc.com/news/technology-34842854