What's the difference between malicious and roguery?

Malicious

Definition:

(a.) Indulging or exercising malice; harboring ill will or enmity.
(a.) Proceeding from hatred or ill will; dictated by malice; as, a malicious report; malicious mischief.
(a.) With wicked or mischievous intentions or motives; wrongful and done intentionally without just cause or excuse; as, a malicious act.

Example Sentences:

(1) Already in 2014, Proofpoint found a 650% increase in social media spam compared to 2013, and 99% of malicious URLs in inappropriate content led to malware installation or credential phishing sites,” explains the company.
(2) Rather, it is those who use OSINT as a starting point for more malicious means.
(3) Those who say otherwise, he said, “have malicious intentions to damage the Chinese government in the name of birth control.” Family planning policy would be relaxed further over time, but the government had no timetable in mind.
(4) It's worth remembering that as the US and UK run around the world protesting the hacking activities of others and warning of the dangers of cyber-attacks , that duo is one of the most aggressive and malicious, if not the most aggressive and malicious, perpetrators of those attacks of anyone on the planet.
(5) The force said: “Leicestershire police is investigating a report of malicious communication being sent via social media.
(6) In response, the EU commission’s vice president, Frans Timmersmans, condemned Orban’s questionnaire as “malicious and wrong”.
(7) Anyone who opened the file risked being infected, as many anti-virus systems were not able to detect the malicious software, the researchers said.
(8) Prosecutions under the Malicious Communications Act have resulted in convictions, as in the case involving death threats tweeted at Caroline Criado-Perez .
(9) Instead of dropping banners, as Brotherston’s ISP did, it injects malicious JavaScript.
(10) And of course, if the software that infects your machine is malicious, there's the serious risk of identity theft.
(11) China bans major shareholders from selling their stakes for next six months Read more Police and regulators are investigating evidence of potential “malicious” short selling of Chinese shares, state news agency Xinhua reported.
(12) The Conservatives won their malicious campaign against Labour in the general election, ruthlessly demonising Ed Miliband and fanning anti-Scottish resentment.
(13) Justice Department representatives told one congressional aide that Swartz' Guerilla Open Access Manifesto was being used to establish "malicious intent" to illegally download large amounts of documents.
(14) "I took out nasty passages about people I admire – like Polly Toynbee, George Monbiot, Deborah Orr and Yasmin Alibhai-Brown … but in a few instances, I edited the entries of people I had clashed with in ways that were juvenile or malicious: I called one of them antisemitic and homophobic, and the other a drunk."
(15) Frances Knox, 44, from Hertfordshire, has resolved to change her passwords every month after she had her Skype account maliciously taken over by fraudsters on 21 December.
(16) Any suggestion of impropriety is malicious and defamatory and will be treated as such,” said a spokesman.
(17) The 'Sorry' campaign's suggestion that the Standard and its journalists lost touch with London is a malicious invention.
(18) We have identified this as a new and growing threat in the UK and you just have to look at the figures – in fact 51% of the malicious software threats that have ever been identified were in 2009."
(19) We are left to conclude that the purpose is a malicious one.
(20) The UK's biggest retailer began legal proceedings against the paper and its editor, Alan Rusbridger, for libel and malicious falsehood.