Tag Archive for: hat.

Become A White Hat Hacker With This Expert-Led Training Package

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With the dominance of the internet and computer technologies, fields of work that never existed in the past have grown to astronomical size and importance. And it’s possible to lose big from this kind of development if you’re working in a more traditional field. But from an optimistic perspective, it’s possible to benefit greatly and make a lot of money working the kind of job that 10 years ago would have been completely irrelevant to the general population. One of those jobs is, surprisingly enough, hacking.

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Price subject to change

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Black Hat: Novel DNS Hack Spills Confidential Corp Data

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Top Hacks from Black Hat and DEF CON 2021

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Tools, techniques, and (hybrid) procedures

Top hacks from Black Hat and DEF CON 2021

Hacker Summer Camp 2021 adopted a hybrid format this year, as the restrictions imposed by the ongoing coronavirus epidemic meant that the majority of participants to Black Hat and DEF CON tuned in online rather than turning up in Las Vegas.

CATCH UP Black Hat 2021: Zero-days, ransoms, supply chains, oh my!

Security researchers made up for the lack of audience interaction by showing that – like the athletes competing at this month’s Olympics and Paralympics – they could go faster, higher, and stronger together.

Still catching up on the proceedings? Look no further:

Attacking Let’s Encrypt

Researchers showed how to circumvent domain validation controls from Lets Encrypt

At Black Hat, researchers from the Fraunhofer Institute for Secure Information Technology showed how the security controls introduced with Let’s Encrypt’s multi-perspective validation feature might be abused.

Circumventing these controls, which were introduced in February 2020 in response to earlier attacks, makes it possible for attackers to get digital certificates for web domains they do now own, offering a springboard for phishing attacks or other scams.

By introducing packet loss or latency to connections to some of the nameservers, an attacker could force the system to rely on a nameserver of their choice – downgrading the security offered by multiperspective validation.

The work shows that domain validation, though it enjoys advantages because it is low cost and lends itself to automation, is not yet secure and needs to be refined in order to become more effective as a barrier to fraud.

Pulling the pin on FragAttacks

At Black Hat, security researcher Mathy Vanhoef shared his impressive work on FragAttacks fragmentation and aggregation attacks) and – with the help of Tom Van Goethem – timing attacks.

For the former, he described how implementation flaws and design vulnerabilities in WiFi’s frame aggregation and fragmentation features affect all protected WiFi networks, and even the WEP protocol dating back to 1997.

Certain implementation bugs were particularly widespread and trivial to exploit, he warned.

The gradual adoption of ‘operating channel validation’ (PDF) and ‘beacon protection’…

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At Black Hat, mobile and open-source software emerge as key cybersecurity dangers

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Mobile platforms and open-source software emerged as key cybersecurity issues at the annual Black Hat USA cybersecurity conference this week, judging from presentations by a mix of onsite attendees and virtual streaming of briefings from security researchers around the globe.

In his opening keynote remarks, Black Hat founder Jeff Moss summed up the general feeling in the cybersecurity community, which has weathered an explosion of ransomware attacks, a major supply chain exploit and the growth of Russia, China, North Korea and Iran into serious nation-state hacking operations.

“We’re just recognizing that we’re getting punched in the face and we’re trying to figure out what to do about it,” Moss said. “It’s been a really stressful couple of years.”

Here are five key takeaways from a week of Black Hat presentations:

1. The mobile platform is the next frontier for malicious actors

There is mounting evidence that threat actors are turning their considerable resources to exploiting vulnerabilities in mobile platforms. With an estimated 6 billion smartphone subscriptions around the globe, they’re just too attractive an opportunity to pass up.

The attacks on mobile coincide with an increase in zero-day exploits, bugs that are unknown in the security community and therefore unpatched.

Zero-day exploits are market-driven, based on supply and demand. Last year, the zero-day broker Zerodium announced a pause in acquiring Apple iOS exploits because of a high number of submissions. An iPhone zero-day allowed cybercriminals to hack into the mobile devices of 36 international journalists last summer.

Research presented by keynote speaker Matt Tait, chief operating officer of Corellium LLC and a former analyst for GCHQ, the U.K.’s version of National Security Administration, showed how significant this problem is becoming.

“The amount of zero-day exploitation against mobile phone devices is being exploited dramatically,” Tait told conference participants. “We’re only getting a tiny glimpse of what actually may be happening out in the world.”

Part of the problem is that the architecture of some mobile platforms has created its own set of issues. Natalie…

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