"It's a lot better this year," Chester Wisniewski, senior security adviser to Sophos told V3.co.uk.
"Last year we got about a third of people on the stand trying to sell us their companies. They'd lost angel funding and were just like 'Would you be interested in a company that does xyz?' Possibly, but we're here to sell, not to buy.
"This year there's a lot more customer engagement, we're doing a lot of good business."
Although visitor numbers won't be released for some weeks the exhibition hall has been packed and companies are reporting a significant amount of new business. Visitor numbers fell sharply last year as companies cut back on spending but anecdotal evidence from the show floor indicates this may be easing up.
"We're getting far more done here now," said Tom Murphy, chief strategy officer at enterprise application whitelisting vendor Bit 9.
"There's a lot of people interested in the concepts we're pushing and the quality of visitors is high."
Latest Tesla news: Tesla share price continues to fall after Saudi Arabia's sovereign wealth fund is linked to investment in rival
SEC 'probe' takes its toll on Tesla as new research suggests that Tesla loses $6,000 on every $35,000 Model 3
RTX 280 Ti will come with 11GB of fast GDDR6 video RAM with a 352-bit memory bus offering 616Gbps
The scale of jobs lost to automation will be at least as large as those in the first three industrial revolutions
10nm Cannon Lake Core i3-8121U CPUs make a rare outing with Intel's NUC mini PC