Twitter says hack targeted employees using ‘spear phishing’

John Dickson of the security firm Denim Group said the latest disclosure does not necessarily suggest a sophisticated attack from a nation-state.

“They conned people over the phone,” Dickson said, saying it may have been possible to find targets through research on LinkedIn or Google.

“This is like the original hackers from the 1980s and 1990s; they were very good at conning people and getting them to give their credentials.”

About Denim Group

Denim Group is the leading secure software development firm, serving as a trusted advisor to customers on matters of software risk and security. The company builds software for the most security conscious while helping organizations assess and mitigate risk within their existing software. Denim Group's flagship ThreadFix product accelerates the process of software vulnerability remediation, reflecting the company's rich understanding of what it takes to fix application vulnerabilities faster. Denim Group has emerged as a strong contributor to the larger application security community and has actively participated in the Open Web Application Security Project (OWASP) since shortly after its inception.

Among many other awards, Denim Group has landed on the "Inc. 5000" list - which recognizes the country's 5000 fastest-growing private companies - for five years in a row. In addition, the San Antonio Business Journal named Denim Group as one of the "Best Places to Work" in the city.

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