Retailers Most Common Credential Stuffing Attack Victim; Points to Dramatic Rise in API Traffic as Key Trend: Akamai State of the Internet Security Report

According to the Akamai 2019 State of the Internet / Security: Retail Attacks and API Traffic report, hackers directed credential abuse attempts at retail sites more than 10 billion times from May to December last year, making retail the most targeted segment studied. The report also spotlights two other pressing security concerns, the preponderance of API-call traffic on the web and the apparent misrepresentation of IPv6-based traffic.

The Company studied the credential abuse technique known as credential stuffing, where hackers systematically use botnets to try stolen login information across the web. They target login pages for banks and retailers on the premise that many customers use the same login credentials for multiple services and accounts. Interest in retail is driven by the value of merchandise, which hackers acquire through compromised accounts and then frequently resell.

According to the report, the insidious AIO bots that hackers deploy are multi-function tools that enable quick purchases by leveraging credential stuffing and a number of evasion techniques. A single AIO bot can target more than 120 retailers at once.

Media & entertainment properties are notable credential abuse victims as well, according to the report. Their value is in the personal information those sites maintain. End users share credit card information and demographic data when they sign up for over-the-top (OTT) online streaming services, for example. This type of data has high value on the black market. Akamai also noted significant numbers of credential abuse attacks against financial services, hotel and travel, and consumer goods sites.

Within the retail industry outside of the apparel vertical, Akamai tracked credential stuffing attempts against direct commerce, department stores, office supply stores, and fashion, such as jewelry and watches.

API calls represent 83 percent of web traffic, according to an October 2018 Akamai traffic review detailed in the report. The majority of API traffic is for custom applications, which is the result of digital transformations and cloud-based application deployment. For security teams, growth in API volume is important when considering risk, because some security tools are not equipped to manage API traffic.

DNS traffic analysis outlined in the report notes that IPv6 traffic might be underreported, since many systems capable of IPv6 usage still prefer IPv4. This could indicate device misconfiguration or improper monitoring and network blind spots, a security concern. Since IPv6 is still believed to be a minority of web traffic, it is not a major selling point for a number of security tools.

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