New IoT Botnet Malware Discovered; Infecting More Devices Worldwide

The whole world is still dealing with the Mirai IoT Botnet that caused vast internet outage last Friday by launching massive distributed denial of service DDoS attacks against the DNS provider Dyn, and researchers have found another nasty IoT botnet. Security researchers at MalwareMustDie have...

Teenage Hacker Arrested For Disrupting 911 Service With DDoS Attack

Just last month, researchers explained how an attacker can knock the 911 service offline in an entire state by launching automated Distributed Denial of Service DDoS attacks using a botnet of just 6000 smartphones. But, doing so, in reality, could not only land public in danger but the attacker a...

Mirai Botnet Itself is Flawed; Hacking Back IoTs Could Mitigate DDoS Attacks

The infamous botnet that was used in the recent massive distributed denial of service DDoS attacks against the popular DNS provider Dyn, causing vast internet outage last Friday, itself is flawed. Yes, Mirai malware, which has already enslaved millions of Internet of Things IoT devices across 164...

Mirai Vulnerability Disclosed, But Exploits May Constitute Hacking Back

The Mirai botnet apparently has a weakness that could shut down its ability to flood targets with HTTP requests. But exploiting that vulnerability puts defenders in a gray area with regard to hacking back. Researchers at Invincea Labs discovered three vulnerabilities in Mirai, one of which is the...

On the Dyn DDoS Attack, Keen Team, and a Phony Windows Installer

Mike Mimoso and Chris Brook recap the news of the week, including the storylines around last week’s Dyn DDoS attack, Keen Team winning big again at Pwn2Own, and a fake Windows installer. Download: ThreatpostNewsWrapOctober282016.mp3 Music by Chris Gonsalves...

Dyn DDoS Could Have Topped 1 Tbps

As more time passes, researchers are getting insight into the size and structure of the DDoS attack against DNS provider Dyn last week, and the capabilities of the Mirai botnet. First, Dyn released a truncated post-mortem on the attack with admittedly some omissions as a law enforcement...

Friday's Massive DDoS Attack Came from Just 100,000 Hacked IoT Devices

Guess how many devices participated in last Friday's massive DDoS attack against DNS provider Dyn that caused vast internet outage? Just 100,000 devices. I did not miss any zeros. Dyn disclosed on Wednesday that a botnet of an estimated 100,000 internet-connected devices was hijacked to flood its...

Lawmakers Asking What ISPs Can Do About DDoS Attacks

IoT botnets and DDoS attacks have prominent lawmakers asking government agencies some probing questions about what can be done. Sen. Mark Warner D-VA on Tuesday sent a letter to the Federal Communications Commission—as well as the Federal Trade Commission and Homeland Security—querying among othe...

Security Advisory - Defense Mechanism Bypass Vulnerability in Huawei USG Products

There is a defense mechanism bypass vulnerability in Huawei USG products. Successful exploit could allow an attacker to bypass the anti-DDoS module of the USGs to send massive HTTP packets, possibly causing a denial of service condition on the backend server. Vulnerability ID: HWPSIRT-2016-07050...

Dyn DDoS Work of Script Kiddies, Not Politically Motivated Hackers

New research on the source of Friday’s DDoS attack against DNS provider Dyn indicates that script kiddies are likely responsible, rather than a politically motivated actor. Researchers at Flashpoint dismissed numerous claims of responsibility that separately linked the attack to the Russian...

How Twitter, Amazon, and others were impacted by last Friday's DDOS attack - and what you might want to do about it.

Our partner, Chertoff Group issued the following advisory. Client Advisory: October 21 distributed denial of service DDoS attack. A major distributed denial of service DDoS attack recently 10/21/16 disrupted Internet communications throughout parts of the United States in several waves, and there...

Chinese Manufacturer Recalls IOT Gear Following Dyn DDoS

Hangzhou Xiongmai said that it will recall millions of cameras sold in the U.S. in response to Friday’s DDoS attack against DNS provider Dyn that kept a number of web-based services such as Twitter, Github and others offline for much of the day. The Chinese manufacturer sells OEM white-label...

Chinese Electronics Firm to Recall its Smart Cameras recently used to Take Down Internet

You might be surprised to know that your security cameras, Internet-connected toasters and refrigerators may have inadvertently participated in the massive cyber attack that broke a large portion of the Internet on Friday. That's due to massive Distributed Denial of Service DDoS attacks against...

Apple macOS 10.12.1 / iOS 10 SecureTransport SSL Handshake MitM / DoS

Apple macOS 10.12.1/iOS 10 SecureTransport SSL handshake OCSP MiTM and DoS Credit: Maksymilian Arciemowicz https://cxsecurity.com/ URL: https://cxsecurity.com/issue/WLB-2016100213 --- 0. Description ---- The latest macOS and iOS have weak OCSP validation process which allow attacker to send OCSP...

Apple Mac OS X 10.12/iOS 10 SecureTransport SSL handshake OCSP MiTM and DoS

Exploit for macOS platform in category dos / poc Apple macOS 10.12/iOS 10 SecureTransport SSL handshake OCSP MiTM and DoS --- 0. Description ---- The latest macOS and iOS have weak OCSP validation process which allow attacker to send OCSP requests up to 200k in name of victim during MiTM attack...

Mirai-Fueled IoT Botnet Behind DDoS Attacks on DNS Providers

A botnet of connected things strung together by the Mirai malware is responsible for Friday’s distributed denial-of-service attacks against DNS provider Dyn. The DDoS attacks impacted Internet service on the East Coast of the United States, and were responsible for keeping Dyn and a number of its...

An Army of Million Hacked IoT Devices Almost Broke the Internet Today

A massive Distributed Denial of Service DDoS attack against Dyn, a major domain name system DNS provider, broke large portions of the Internet on Friday, causing a significant outage to a ton of websites and services, including Twitter, GitHub, PayPal, Amazon, Reddit, Netflix, and Spotify. But ho...

On the Dangers of Skyping and Typing, Fingerprint Warrants, and More

Mike Mimoso and Chris Brook briefly talk about the Dyn DDoS attack and the Linux bug Dirty Cow before discussing the dangers of Skyping and typing, the fingerprint warrant story, hiding credit card numbers in images, and more. Show notes: Dyn Confirms DDoS Attack Affecting Twitter, Github, Many...

DYN Confirms DDoS Attack Knocking Out Twitter, Spotify Other Major Sites

Update DNS provider Dyn has confirmed two massive distributed denial of service attacks against its servers Friday impacting many of its customers including Twitter, Spotify and GitHub. The attacks came in two waves, one early Friday morning and a second just a few hours later. “This attack is...

Massive DDoS Attack Against Dyn DNS Service Knocks Popular Sites Offline

UPDATE — How an army of million of hacked Internet-connected smart devices almost broke the Internet today. Cyber attacks are getting evil and worst nightmare for companies day-by-day, and the Distributed Denial of Service DDoS attack is one such attacks that cause a massive damage to any service...