From Symantec:
Symantec’s Internet Security Threat Report (ISTR), Volume 21
, reveals an organizational shift by cybercriminals: They are adopting corporate best practices and establishing professional businesses in order to increase the efficiency of their attacks against enterprises and consumers. This new class of professional cybercriminal spans the entire ecosystem of attackers, extending the reach of enterprise and consumer threats and fueling the growth of online crime.
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Data breaches continue to impact the enterprise. In fact, large businesses that are targeted for attack will on average be targeted three more times within the year. Additionally, we saw the largest data breach ever publicly reported last year with 191 million records compromised in a single incident. There were also a record-setting total of nine reported mega-breaches. While 429 million identities were exposed, the number of companies that chose not to report the number of records lost jumped by 85 percent. A conservative estimate by Symantec of those unreported breaches pushes the real number of records lost to more than half a billion.
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Ransomware also continued to evolve in 2015, with the more damaging style of crypto-ransomware attacks growing by 35 percent. This more aggressive crypto-ransomware attack encrypts all of a victim’s digital content and holds it hostage until a ransom is paid. This year, ransomware spread beyond PCs to smartphones, Mac and Linux systems, with attackers increasingly seeking any network-connected device that could be held hostage for profit, indicating that the enterprise is the next target.
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In 2015, Symantec saw a resurgence of many tried-and-true scams. Cybercriminals revisited fake technical support scams, which saw a 200 percent increase last year.
Social Media Scams
Source: Symantec ISTR April 2016 (Page 30)
Direct to Full Text Report (81 pages; PDF)
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