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Category — Collision Attack
Google Achieves First-Ever Successful SHA-1 Collision Attack

Google Achieves First-Ever Successful SHA-1 Collision Attack

Feb 23, 2017
SHA-1, Secure Hash Algorithm 1, a very popular cryptographic hashing function designed in 1995 by the NSA, is officially dead after a team of researchers from Google and the CWI Institute in Amsterdam announced today submitted the first ever successful SHA-1 collision attack. SHA-1 was designed in 1995 by the National Security Agency (NSA) as a part of the Digital Signature Algorithm. Like other hashes, SHA-1 also converts any input message to a long string of numbers and letters that serve as a cryptographic fingerprint for that particular message. Collision attacks appear when the same hash value (fingerprint) is produced for two different messages, which then can be exploited to forge digital signatures, allowing attackers to break communications encoded with SHA-1. The explanation is technologically tricky, but you can think of it as attackers who surgically alters their fingerprints in order to match yours, and then uses that to unlock your smartphone. The researchers h
Collision Attack: Widely Used SHA-1 Hash Algorithm Needs to Die Immediately

Collision Attack: Widely Used SHA-1 Hash Algorithm Needs to Die Immediately

Oct 08, 2015
SHA-1 – one of the Internet's widely adopted cryptographic hash function – is Just about to Die. Yes, the cost and time required to break the SHA1 algorithm have fallen much faster than previously expected. According to a team of researchers, SHA-1 is so weak that it may be broken and compromised by hackers in the next three months. The SHA-1 algorithm was designed in 1995 by the National Security Agency (NSA) as a part of the Digital Signature Algorithm. Like other hash functions, SHA-1 converts any input message to a long string of numbers and letters that serve as a cryptographic fingerprint for that message. Like fingerprints, the resulting hashes are useful as long as they are unique. If two different message inputs generate the same hash (also known as a collision ), it can open doors for real-world hackers to break into the security of banking transactions, software downloads, or any website communication. Collision Attacks on SHA-1 Researchers
The New Effective Way to Prevent Account Takeovers

The New Effective Way to Prevent Account Takeovers

Sep 04, 2024SaaS Security / Browser Security
Account takeover attacks have emerged as one of the most persistent and damaging threats to cloud-based SaaS environments. Yet despite significant investments in traditional security measures, many organizations continue to struggle with preventing these attacks. A new report, " Why Account Takeover Attacks Still Succeed, and Why the Browser is Your Secret Weapon in Stopping Them " argues that the browser is the primary battleground where account takeover attacks unfold and, thus, where they should be neutralized. The report also provides effective guidance for mitigating the account takeover risk.  Below are some of the key points raised in the report: The Role of the Browser in Account Takeovers According to the report, the SaaS kill chain takes advantage of the fundamental components that are contained within the browser. For account takeover, these include: Executed Web Pages - Attackers can create phishing login pages or use MiTM over legitimate web pages to harve
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