I found some interesting information,what can be used in marketing.
There is list of hacked exchanges and losses
Date Bitcoin Service Targeted Attack Details BTC stolen USD value
2016 Aug Bitfinex (exchange) user wallets/inside job 119,756 $66,000,000
2016 May Gatecoin (exchange) hot wallet multicurrency $2,000,000
2016 Mar ShapeShift (exchange) inside job multicurrency $230,000
2016 Mar Cointrader hot wallet 81 BTC $33,600
2016 Jan Bitstamp (exchange) hot wallet 18,866 $5,263,614
2015 Feb Bter (exchange) cold wallet/inside job 7,000 $1,750,000
2015 Feb Exco.in (exchange) cold wallet/inside job n/a n/a
2015 Feb Kipcoin (exchange) cold wallet/inside job 3,000 $690,000
2015 Feb 796 (exchange) cold wallet/inside job 1,000 $230,000
2015 Jan Bitstamp (exchange) hot wallet 19,000 $5,100,000
2015 Jan Cavirtex (exchange) user database stolen n/a n/a
2014 Dec Blockchain.info (wallet) c user wallets (bug, R values) 267 $101,000
2014 Dec Mintpal (exchange) inside job 3,700 $3,208,412
2014 Aug Cryptsy (exchange) inside job multicurrency $6,000,000
2014 Mar Flexcoin (wallet) hot wallet 1,000 $738,240
2014 Mar CryptoRush (exchange) cold wallet/inside job 950 $782,641
2014 Jan Mt.gox (exchange) hot & cold wallets/inside job 850,000 $700,258,171
2013 Dec Blockchain.info (wallet) 2-factor authentication breach 800 $800,000
2013 Nov Inputs.io (wallet) cold wallet/inside job 4,100 $4,370,000
2013 Nov BIPS (wallet) cold wallet/inside job 1,200 $1,200,000
2013 Nov PicoStocks (exchange) cold wallet/inside job 6,000 $6,009,397
2012 Mar Linode (webhosting) inside job 46,703 $228,845
Do not be next sucker,use blocknet!