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Stay informed with the latest updates on Refusal tactics in infosec. Protect your data from denial-based cyber threats and security challenges.

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Refusal is a concept in information security that pertains to the denial of service or access due to various reasons, such as a system's efforts to protect itself against potential threats, an explicit security policy, or automated mechanisms to thwart malicious activity. In the wider scope of cybersecurity, refusal often aligns with refusal of service attacks, where access is blocked as a result of overwhelming systems with requests, thereby denying legitimate user access.

In the context of information security, refusal can also refer to security mechanisms that deny unauthorized attempts to view, modify, or use resources within a system. This might include refusal of connection attempts to private networks, refusal of file access to non-privileged users, or refusal of transaction processing when fraud is suspected. The aim is to maintain system integrity and confidentiality by allowing only legitimate and authenticated interactions with computational resources.

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Cybercrime group ShinyHunters leaked data allegedly stolen from Charter Communications, exposing millions of customer records after a failed extortion attempt. The ShinyHunters extortion group has published data allegedly stolen from Charter Communications after the company apparently refused to pay a ransom. Charter Communications is one of the largest telecommunications companies in the United States. It […]

Bank Info Security 2 months, 3 weeks ago

Anthropic Seeks Court Stay of Pentagon Risk Designation

Company Says Supply-Chain Risk Label Threatens Billions in ContractsAnthropic filed an emergency motion asking a federal appeals court to block a Defense Department decision labeling the AI developer a national security supply-chain risk. The company says the move could cost billions and followed its refusal to weaken AI safety restrictions.

Bank Info Security 2 months, 3 weeks ago

Anthropic Sues After US Government Cuts Off AI Contracts

Company Says Limits Triggered Federal Retaliation, Which Violate Free Speech RightsAI developer Anthropic sued the U.S. government alleging retaliation after it refused to allow its Claude models to support lethal autonomous warfare or mass surveillance of Americans. The suit claims federal agencies unlawfully banned the firm's technology and labeled it a national security risk.

Bank Info Security 4 months, 1 week ago

Ransomware Hackers Leak Under Armour Customer Data

Russia-Linked Ransomware Group Dumps Customer Data After Failed Extortion AttemptUnder Armour may trade on the "blood, sweat, respect" slogan, but a Russia-linked ransomware group hasn't been abiding, after they stole data pertaining to 72.7 million of the athleisure giant's customers, then leaked it on darkweb sites after saying the retailer refused to pay a ransom.

AT&T and Verizon refused to hand over the security assessments, says Cantwell US Senator Maria Cantwell (D-WA) has demanded that Google-owned incident response firm Mandiant hand over the Salt Typhoon-related security assessments of AT&T and Verizon that, according to the lawmakers, both operators have thus far refused to give Congress.…

Plus: Plankey's confirmation process 'temporarily delayed' Sean Cairncross, President Donald Trump's nominee to serve as national cyber director, doubled down on taking offensive cyber actions against foreign adversaries during a Senate homeland security committee nomination hearing on Thursday, and refused to condemn the president's proposed cuts to the main US cyber defense agency.…

Bank Info Security 1 year, 9 months ago

Telegram Founder Pavel Durov Charged by French Court

Billionaire Telegram Owner Faces Charges Freighted With A 10-Year Minimum SentenceFrench authorities charged Telegram CEO and owner Pavel Durov with a slew of offenses including complicity with hacking, child sexual abuse material and refusal to cooperate with law enforcement authority requests for intercepted communications.

Vendor plans to aggressively defend its case before listing catalog of shortcomings at the airline CrowdStrike says it is "highly disappointed" and rejects the claims made by Delta and its lawyers that the vendor exhibited gross negligence in the events that led to the global IT outage a little over two weeks ago.…

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