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KrebsOnSecurity Hit with record DDos Discussion

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Brian Krebs’ security blog (krebsonsecurity.com) was targeted by a massive DDoS attack, one of

the largest on record, exceeding 620 gigabits per second (Gbps). An IoT botnet powered by

Mirai malware created the DDoS attack (https://krebsonsecurity.com/2016/09/krebsonsecurity-

hit-with-record-ddos/). Internet of Things (IoT) is an emerging network of devices (e.g., printers,

routers, video cameras, and smart TVs) that connect via the Internet, often automatically sending

and receiving data. The Mirai malware continuously scans the Internet for vulnerable IoT

devices, which are then infected and used in botnet attacks. The Mirai bot uses a shortlist of 62

common default user names and passwords to scan for vulnerable devices. Because many IoT

devices are unsecured or weakly secured, this short dictionary allows the bot to access hundreds

of thousands of devices. The purported Mirai author claimed that over 380,000 IoT devices were

enslaved by the Mirai malware in the attack on Krebs’ website. In late September, a separate

Mirai attack on French web host OVH broke the record for the largest recorded DDoS attack.

That DDoS was at least 1.1 terabits per second (Tbps) and may have been as large as 1.5 Tbps.

I own an Apple iPhone. The phone takes note of the familiar places I drive, park, the time

frames in which I am driving, and even the routes I take to get to my destinations. The data

collected is utilized by the maps app that is installed on my phone. After enough data is obtained,

the app will then start to send notifications telling me how long it may take me to get to a

destination and if there is any traffic on the route I usually take.

A quick peek in the future of IoT devices, in 2016, there were more than 4.7 billion

devices connected to the internet. By 2025, it is estimated that there will be more than 21 billion

IoT devices.

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Running Head: KrebsOnSecurity Hit with record DDos Buis 461 Discussion 1 Name University Date 1 KrebsOnSecurity Hit with record DDos 2 Brian Krebs’ security blog (krebsonsecurity.com) was targeted by a massive DDoS attack, one of the largest on record, exceeding 620 gigabits per second (Gbps). An IoT botnet powered by Mirai malware created the DDoS attack (https://krebsonsecurity.com/2016/09/krebsonsecurityhit-with-record-ddos/). Internet of Things (IoT) is an emerging network of devices (e.g., printers, routers, video cameras, and smart TVs) that connect via the Internet, often automatically sending and receiving data. The Mirai malware continuously scans the Internet for vulnerable IoT devices, which are then infected and used in botnet attacks. The Mirai bot uses a shortlist of 62 common default user names and passwords to scan for vulnerable devices. Because many IoT devices are unsecured or weakly secured, this short dictionary allows the bot to access hundreds of thousands of devices. The purported Mirai author claimed that over 380,000 IoT devices were enslaved by the Mirai malware in the attack on Krebs’ website. In late September, a separate Mirai attack on Frenc ...
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Tags: KrebsonSecurity DDOS IoT devices malware botnet attacks