Tag Archives: test-if-browser

How to securely deploy medical devices within a healthcare facility

The risks insecure medical devices pose to patient safety are no longer just theoretical, and compromised electronic health records may haunt patients forever. A surgical robot, pacemaker, or other life critical device being rendered non-functional would give a whole new, and wholly undesirable, meaning to denial of service. Malware like MEDJACK has been used to infect medical devices and use them as staging grounds to attack medical records systems. IoT ransomware is on the rise … More ?

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How to securely deploy medical devices within a healthcare facility

Alleged Kelihos botmaster indicted

36-year-old Pyotr Levashov was charged on Friday in the US with one count of causing intentional damage to a protected computer, one count of conspiracy, one count of accessing protected computers in furtherance of fraud, one count of wire fraud, one count of threatening to damage a protected computer, two counts of fraud in connection with email and one count of aggravated identity theft. Levashov stands accused of controlling and operating the Kelihos botnet to, … More ?

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Alleged Kelihos botmaster indicted

Hajime IoT worm infects devices to head off Mirai

Mirai is the name of the worm that has taken control of many IoT devices around the world and used them to mount DDoS attacks, the most high-profile of which was directed against US-based DNS provider Dyn and resulted in many websites and online services being inaccessible for hours on end. Its source code was leaked by the author, which lead to the creation of more botnets, and an increased fear that we’ll soon witness … More ?

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Hajime IoT worm infects devices to head off Mirai

CLDAP reflection attacks generate up to 24 Gbps of traffic

Akamai researchers Jose Arteaga and Wilber Majia have identified a new Connection-less Lightweight Directory Access Protocol (CLDAP) reflection and amplification method. CLDAP query packet Akamai’s Security Intelligence Response Team (SIRT) has observed this attack vector producing DDoS attacks consistently exceeding 1 Gbps, comparable to DNS reflection attacks. CLDAP Unlike other reflection-based vectors, where compromised hosts may number in the millions, the observed CLDAP amplification factor has been able to produce significant attack bandwidth with significantly … More ?

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CLDAP reflection attacks generate up to 24 Gbps of traffic

IoT devices under attack: Amnesia hijacks, BrickerBot destroys

Every hour of every day, computer systems and IoT devices are under attack by bots trying to recruit them into growing botnets. Security researchers have recently highlighted two of these threats coming after Linux- and BusyBox-based systems and devices. Amnesia A year after security researcher Rotem Kerner discovered a remote code execution vulnerability that affected digital video recorders (DVRs) manufactured by Chinese company TVT Digital and sold by more than 70 different vendors around the … More ?

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IoT devices under attack: Amnesia hijacks, BrickerBot destroys

Video: TinyNuke botnet explained

In the videos below, McAfee Labs show the setup requirements for installing and deploying TinyNuke. They review the available features of TinyNuke through the control panel, deploy a bot a client machine, and perform attacks against a client.

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Video: TinyNuke botnet explained

How the Necurs botnet influences the stock market

After a three-months-long partial hiatus, the Necurs botnet is back to flinging spam emails left and right. But unlike before the break, when it was mostly delivering the infamous Locky ransomware or the Dridex banking Trojan, the botnet is now engaged in distributing emails with no malicious attachment or link. According to Cisco Talost researchers, the botnet has been spotted firing off short-lasting but sizeable bursts of penny stock pump-and-dump emails. Necurs botnet’s latest campaign … More ?

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How the Necurs botnet influences the stock market

185,000+ vulnerable Wi-Fi cameras just waiting to be hijacked

A generic wireless camera manufactured by a Chinese company and sold around the world under different names and brands can be easily hijacked and/or roped into a botnet. The flaw that allows this to happen is found in a custom version of GoAhead, a lightweight embedded web server that has been fitted into the devices. This and other vulnerabilities have been found by security researcher Pierre Kim, who tested one of the branded cameras – … More ?

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185,000+ vulnerable Wi-Fi cameras just waiting to be hijacked

Advanced Windows botnet spreads Mirai malware

Kaspersky Lab experts are analyzing the first Windows-based spreader for the Mirai malware as part of a concerted effort to close down Mirai botnets in the wild. The Windows bot appears to have been created by a developer with more advanced skills than the attackers who unleashed the massive Mirai-powered DDoS attacks in late 2016, a fact that has worrying implications for the future use and targets of Mirai-based attacks. The malware author is likely … More ?

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Advanced Windows botnet spreads Mirai malware

Monitoring scanning activities that could lead to IoT compromises

IoT devices are ideal targets for attackers looking to build DDoS botnets because they have limited or non-existent security features. Some IoT devices utilize hard-coded default passwords. Many devices have unnecessary services running that can be exploited, and others have unprotected management interfaces. Most important for DDoS attackers, IoT devices offer high-speed connections that are always on, which allows for a large, predictable amount of attack traffic volume per compromised device. Monitoring login attempts Looking … More ?

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Monitoring scanning activities that could lead to IoT compromises