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Category: Trends

DDoS attack sizes plateau, complex multi-vector attacks on the rise

Posted on January 31, 2013December 30, 2021 by admini

DDoS: Attack sizes plateau; complex multi-vector attacks on the rise – The largest attack reported was 60 Gbps, same as 2011; and 46 percent reported multi-vector attacks.

This year’s results confirm that application-layer and multi-vector attacks are continuing to evolve while volumetric attacks are starting to plateau in terms of size. … Attackers have now turned to sophisticated, long-lived, multi-vector attacks – combinations of attack vectors designed to cut through the defenses an organization has in place – to achieve their goals. … This year’s report includes a case study on the ongoing attacks against U.S. financial services organizations, a great example of a multi-vector attack.

Data centers and cloud services are increasingly victimized – 94 percent of data center operators reported attacks, and 90 percent of those reported operational expenses as a business impact.

As more companies move their services to the cloud, they now have to be wary of the shared risks and the potential for collateral damage. DNS infrastructure remains vulnerable – 27 percent experienced customer-impacting DDoS attacks on their DNS infrastructure—a significant increase over the 12 percent of respondents from last year’s survey. 71 percent of respondents reported good visibility at Layers 3 and 4 but only 27 percent reported Layer 7 visibility.

Link: http://www.net-security.org/secworld.php?id=14323

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Cisco shows the global picture of information security

Posted on January 31, 2013December 30, 2021 by admini

In fact, more Generation Y workers globally said they feel more comfortable sharing personal information with retail sites than with their own employers’ IT departments – departments that are paid to protect employee identities and devices. As Generation Y graduates from college and enters the workforce in greater numbers, they test corporate cultures and policies with expectations of social media freedom, device choice, and mobile lifestyles that the generations before them never demanded. As the first chapter of the Connected World Technology Report indicated in December, Gen Y is constantly checking social media, email and text updates, whether it’s in bed (3 of 4 surveyed globally), at the dinner table (almost half), in the bathroom (1 of 3), or driving (1 of 5).

Nine of 10 (90 percent) IT professionals surveyed said they have a policy governing the use of certain devices at work, yet only two of five Gen Y respondents said they were aware of such a policy. IT professionals know that many employees don’t follow the rules, but they don’t understand how prevalent it is: More than half (52 percent) of IT professionals globally believe their employees obey IT policies, but nearly 3 out of 4 (71 percent) of the Gen Y workforce say that they don’t obey policies. In other words, Gen Y is less averse to complete strangers at retail sites monitoring their activity than their own employers’ IT teams – teams that are there to protect them and their companies’ information.

Link: http://www.net-security.org/secworld.php?id=14334

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Report: DDoS attacks harder to detect and defeat

Posted on January 30, 2013December 30, 2021 by admini

DDoS first reared its ugly head in the late 1990s and early 2000s as simple, financially-motivated, brute force attacks in which hackers would attempt to overwhelm network and data center operators with external communication requests, causing system overloads and crashes. Over the years, DDoS attacks have grown in sophistication and efficiency, moving from heavy-handed hardware overloads to application-layer attacks that could look like legitimate network traffic, making it much more difficult to detect and defeat the threat.

“What we’ve seen with the most recent attacks is that it isn’t about how big the attack is – because they weren’t the biggest attacks – it’s about how smart they are,” Moynahan said.

Adding to the challenge is the proliferation of “bring-your-own-device” (BYOD) business models in which companies encourage their employees to use their own smart phones, tablets, and other devices for work, giving hackers more entry points into networks.

To meet the new threats head on, Arbor is going beyond the conventional and increasingly outmoded method of using firewalls and other basic network protection methods that can eventually require too much bandwidth and infrastructure, compromising network availability. To provide its clients with end-to-end traffic visibility to monitor the DDoS threat landscape and minimize risk, Arbor employs a number of solutions, including a new cloud-based active threat level analysis system called ATLAS — a collaborative project in which Arbor clients share anonymous traffic data totaling almost 40 terabytes per second to spot malware and botnet threats across the Internet.

Link: http://www.bizjournals.com/boston/blog/techflash/2013/01/report-ddos-attacks-harder-to-detect.html?ana=RSS&s=article_search&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+bizj_boston+%28Boston+Business+Journal%29&page=all

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Cross-site scripting attacks up 160%

Posted on January 30, 2013December 30, 2021 by admini

Hackers will rapidly go after these high value targets with attacks that are highly automated and, if they are not yielding useful payloads, the attackers are equipped to quickly try a different type of attack. This is why it is important to have an understanding of the kind of traffic that is accessing your hosted infrastructure, so that you can make sure that malicious traffic is diverted and that there is less risk to sensitive data,” he added.

Throughout the whole year, FireHost has blocked over 64 million malicious cyberattacks of all types, with Cross-Site Scripting being the most prolific Superfecta attack type overall, clocking in at 5.4 million blocked attacks.

As in Q3 2012, Europe is still the second most likely origin point for malicious traffic blocked by FireHost after North America, being the source of 13 percent of attacks.

The risks to businesses from the Superfecta varies and depends upon the kind of data that could be stolen in the event of a successful attack, according to Todd Gleason, Director of Technology at FireHost, “Itʼs fairly obvious that, if you are retailer or service provider dealing with private customer data or payment card details, your business will present an attractive target for hackers.

Link: http://www.net-security.org/secworld.php?id=14320

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DNS attacks increase by 170%

Posted on January 23, 2013December 30, 2021 by admini

The shift from single-server attacks to the use of multiple servers in different geographic locations has allowed attackers to quickly and effectively launch more powerful DDoS attacks than ever before. Just a few attacking servers can produce the same attack traffic as a large number of client botnets, with the 24/7 availability of servers allowing for greater reliability as well as command-and-control. In 2013, Radware expects this method to gain in popularity, requiring that organizations make sure their defense architecture can withstand these scaled up attacks.

The numbers are staggering – with 58 percent of attacks scoring a 7 or higher in complexity (out of 10), as compared to just 23 percent of attacks in 2011. Though conventionally associated with security on the web, hackers have managed to weaponize the encryption layer, using it to launch application-level and SSL attacks that can escape detection and remain hidden until its already too late.

With some of the worlds largest institutions victimized by cyber attacks in 2012, the question remains as to why many of these organizations continue to be vulnerable. The fact remains that less than a quarter of all organizations surveyed invest their efforts in mitigating attacks as they’re happening – a fact exploited by hackers. In 2013, Radware recommends that organizations dedicate resources to creating a “security war room” equipped to dynamically respond to and handle persistent security attacks during all phases of an attack and adopt a three-phased security approach.

The supply chain includes took kits and for-hire services that are available to anyone with minimal coding or advanced hacking skills for as little as $10 for a ransomware attack tool.

Key findings include:
– Server-based botnets represent a new and more powerful order in the DDoS environment.
– The number of DDoS and DoS attacks lasting more than one week doubled in 2012.
– Encrypted layer attacks fly below the radar – and can’t be ignored.
– In today’s security environment, most organizations are bringing a knife to a gunfight.
-The DIY phenomenon.

Link: http://www.net-security.org/secworld.php?id=14285

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Two-thirds of banks suffered a DDoS attack in 2012

Posted on January 22, 2013December 30, 2021 by admini

Banks are still predominately relying on previously deployed traditional technology, in particular firewalls (35%), to protect their organisation from today’s sophisticated attacks according to the survey, further raising concerns about the extent of board-level buy-in.

Morgan Chase & Co., Bank of America and Wells Fargo were just a few high-profile victims of cyber attacks in 2012 – a year which raised serious concerns regarding the safety of financial institutions – and Meyer says this is prompting banks into action. “We are seeing a tonne of activity in terms of engagement of the number of banks who are searching for information about DDoS mitigation, so I actually think there is going to be a ramped amount of spending in 2013,” he said.

We have met with a few banks already this year and all of them have a budget for DDoS, and many of them for on-premise DDoS.”

Link: http://www.insurancetimes.co.uk/two-thirds-of-banks-suffered-a-ddos-attack-in-2012/1400637.article

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