Data breaches are down year-over-year. As noted by Infosecurity Magazine, almost 1.4 billion records were exposed in 686 breaches reported between Jan. 1 and March 31 this year.
As eye-popping as those numbers are, they represent a big improvement from 2017, when 1,442 incidents exposed a total of 3.4 billion records. In addition, tax phishing attempts for W-2 data fell from 214 attacks last year to just 31 in 2018.
Despite the downward trends in data breach statistics, however, new research revealed that disclosure remains a trouble spot for organizations, especially in light of upcoming regulations. Despite year-to-year improvement, according to Computer Weekly, the average time between incident and disclosure is still more than five weeks.
Digging Into Data Breach Statistics
As Help Net Security reported, 2018 is off to a relatively secure start, at least in terms of data breach statistics. The recent spike in cryptocurrency value may provide an explanation: Crypto-mining malware, which leverages unused central processing unit (CPU) cycles to dig for digital currency, saw a significant boost at the beginning of this year, which could account for the shift away from traditional breach methods that may attract more attention from IT security professionals.
In general, however, the nature of data breaches has not changed significantly over the past 12 months. According to Risk Based Security’s “Q1 2018 Data Breach QuickView Report,” fraud remains the top breach type compromising the most records (1.27 billion) while unauthorized access held its spot as the most common breach cause. Skimming, inadvertent disclosure, phishing and malware rounded out the top five, just as they did in 2017.
Data Breach Disclosure Times Remain High
According to the Risk Based Security report, the average time between data breach detection and disclosure is decreasing. In 2015, it took companies 82.6 days on average to disclose a breach. By 2017, this figure was cut nearly in half to 42.7 days, and it dropped even further to 37.9 days in the first quarter of 2018, showing a trend of continuous improvement over the last four years.
The challenge is that, as noted by the Computer Weekly piece, upcoming data privacy regulations include disclosure timelines. The General Data Protection Regulation (GDPR), for example, imposes a 72-hour notification rule for data breaches. Despite the encouraging year-to-year progress in the effort to reduce breach disclosure times, organizations still have a long way to go to meet this requirement.
The Risk Based Security report noted that Q1 2018 has been “the quietest first quarter for breach activity since 2012.” While some trends, such as the move to crypto-mining malware and away from W-2 phishing, help account for these numbers, the researchers identified no underlying pattern, suggesting that these data breach statistics are likely to evolve throughout the rest of the year.
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