Universities Get Schooled by HackersUniversities Get Schooled by Hackers
Colleges and universities are prime targets for criminals due to huge sets of personal information and security that is weaker than in many businesses.
December 13, 2018
As university students leave campus for holiday breaks, they may carry more than new knowledge home to family and friends. Recent research points out that colleges and universities are coming under more aggressive security attacks while their defenses struggle to keep up with growing demand.
In "Defending Networks at Higher Learning Institutions — Heroes Needed," a report issued earlier this fall, researchers at InfoBlox pointed out that the complexity of the university network environment makes effective defense difficult. "Years ago we planned 'one jack per pillow,' and that's changed in such a short period of time," says Victor Danevich, Infoblox CTO. He believes that each student on campus represents approximately seven IP addresses, making most state and many private universities the home of hundreds of thousands of connected devices.
And while the complexity and levels of attacks are growing, the issues in higher education cybersecurity aren't new. A report released by EdGuards, "A Brief History of Higher Education Insecurity," walks readers through attacks from 2002 through 2018 to show how hackers have evolved. One of the growing issues is the size of the databases sought and compromised by criminals, with tens to hundreds of thousands of records exfiltrated in attacks on scores of schools.
That evolution is aided by legitimate university network users. More than half of the administrators surveyed by InfoBlox say that 25% of students arrive on campus with their devices carrying malware. "The 25% infected rate shows the devices that students are bringing from home," Danevich says. "It's not laptops. It's IoT devices [and] mobile devices." For university security teams, the implication is simple. "You can't take a look at the security once a year. You have to be much more current because it changes so fast," he explains.
While students are a common infection vector, they are not the ultimate target. "Business applications, such as HR, Financial and Campus Solutions by PeopleSoft or other vendors, are the main target, as they store the most critical data and are vulnerable to both hackers and malicious insiders," the EdGuards paper states.
University security teams hamstring themselves when they see security as a traditional perimeter game because new devices and techniques simply bypass classic perimeter defenses, Danevich says. He recommends defense at the network perimeter, in-network control, and thorough, constant monitoring with automated assistance.
"You can put up a blacklist, but now it has to be taken a step farther with a collection of information that's come from a variety of devices hooked to a SEIM and passed to a Splunk or ArcSight," he says. Ultimately, he explains, "We need to use more machine learning and be smarter with what we do."
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