内容摘要："On a geological timescale, this is very rapid erosion."

"On a geological timescale, this is very rapid erosion."

Now he co-ordinates the five-strong team.The attack is about gaining access. The objective might be to stop a process from working, such as the core of a nuclear power plant.

The first step for Greg and his team is called passive reconnaissance.Using an anonymous device, perhaps a smartphone only identifiable by its sim card, the team build a picture of the target.“We must avoid raising suspicions, so the target doesn’t know we’re looking at them,” Greg says.

Any technology they employ is not linked to a business by its internet address and is bought with cash.Charlie spent 12 years in military intelligence, his techniques include studying commercial satellite imagery of a site, and scanning job ads to work out what type of people work there.

“We start from the edges of the target, staying away. Then we start to move into the target area, even looking at how people who work there dress.”

This is known as hostile reconnaissance. They are getting close to the site, but keeping their exposure low, wearing different clothes every time they show up, and swapping out team members, so security people don’t spot the same person walking past the gates.Giulio Pellizzari (Ita/Red Bull-Bora-Hansgrohe) +5mins 02secs

Einer Rubio (Col/Movistar) +6mins 09secsAdam Yates (GB/UAE Team Emirates-XRG) +7mins 45secs

Michael Storer (Aus/Tudor Pro Cycling) +7mins 46secsThe House of Lords has dealt a second defeat to the government over its Data (Use and Access) Bill.