Denial of Service is a family of attacks that attempt to force a target to use up resources (CPU time, memory, bandwidth etc) through flood a target with useless packets, connections or tasks

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How can Heap Pollution cause a security flaw

I came across this rule in the CERT Secure Coding Standart for Java. Heap Pollution. I understand this can cause the programm throwing an exception at runtime, but i can't understand how this could ...
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Mitigate DDos on Windows box

I would love to know, If you know some way to mitigate DDos/Dos attacks on Windows. In Linux we can Mitigate using the IPTables Almighty, but I wonder If there is something like that in Windows. ...
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What's happening on my wifi? NTP and ACK STORM attacks.

I'm wondering if these attacks are something to worry about, or just my router being a router. [DoS attack: ACK Scan] attack packets in last 20 sec from ip [60.221.254.230], Friday, May 06,2016 ...
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Rogue Containment on a wired network (mostly)

I work as a security analyst for a large company. The answer must provide remote support. We are currently looking to build a piece of software (integrating existing products with home grown ...
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DNS Server Recursive Query Cache Poisoning Weakness “Bounce DoS”

Tenable Nessus states that if there is a DNS Server Recursive Query Cache Poisoning Weakness the host allows recursive queries via UDP, then the host can be used to 'bounce' Denial of Service attacks ...
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How to keep my VPS server up on Hulk.py attack

This question in not duplicated, I tried everything that was published on stackexchange websites, but could not fix my problem. I have a web server. OS: Ubuntu 15.10 Configured on Apache2 Ram: 1.5 GB ...
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Router reporting DoS-Attack from rival provider

In my (netgear) routers logs there are entries like the following, often multiple times a second since quite some time. [DoS Attack: RST Scan] from source: 80.218.64.172, port 10646, Tuesday, ...
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How can I launch DHCP starvation attack in WLAN?

In WLAN, due to MAC association on Access Point (AP), I can't send the DHCPDISCOVER messages using random MAC addresses. But if I keep my original MAC address as the source ethernet MAC a and random ...
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Ping Of Death reconstruction against a Windows 95 virtual machine

For the sake of demonstration, I'm trying to perform a Ping Of Death sent from a Kali Linux virtual machine to a Windows 95 virtual machine (vmware) on a private network. I've set both vms correctly, ...
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Snort not showing dropped/blocked packets

This question is about SNORT- I m basically trying to detect PING FLOOD attack. I have included the rule**(drop icmp any any -> any any (itype:8; threshold, track by_src, count 20, ...
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Can external registrar be DoS'd?

So I have been experimenting with wps-enabled routers lately. I have written a short script with a single purpose: To send a wps pin to the external registrar and then immediately end the request by ...
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Denial of service async Web service

Is it possible to perform a denial of service attack on an async service? Isnt the operating system supposed to release the thread? Im thinking it doesn't't matter as someone attacking a system would ...
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Explanation for these entries in the Suricata fast.log?

We have installed Suricata on our system. We have the following similar lines in our fast.log. Can anyone explain these lines? 03/17/2016-17:18:52.744707 [**] [1:2200075:1] SURICATA UDPv4 invalid ...