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Microsoft has revoked more than 100 malicious drivers that received valid signatures via the company's Windows Hardware Compatibility Program (WHCP).

The malicious drivers were added to the company's driver revocation list and will be blocked from running on Windows systems going forward.

Microsoft credited security firms Sophos, Cisco Talos, and Trend Micro for discovering the malicious drivers and how they were being submitted to its developer portal.

Roughly $126 million worth of crypto-assets have been mysteriously transferred from the accounts of cryptocurrency platform Multichain in an apparent hack, according to blockchain security firms PeckShield, SlowMist, Lookonchain, and CertiK.

The incident took place on Friday, June 7.

Multichain—which is a platform that interconnects different blockchain platforms and allows users to exchange tokens—has shut down to investigate the incident.

Cybersecurity agencies from the US and Canada have issued a joint security alert and are warning about malicious campaigns spreading new versions of the Truebot malware.

First spotted way back in 2017, Truebot is a malware downloader that was created and is operated by Silence, a financially motivated cybercrime crew. It is typically used as an initial infection point through which second-stage payloads are delivered on compromised hosts.

According to US and Canadian officials, new versions of the Truebot malware are currently being distributed through phishing campaigns containing malicious redirect hyperlinks.

Authorities in Kazakhstan have detained Nikita Kislitsin, a Russian cyber security executive, following an international arrest warrant issued by the United States.

This newsletter's sister publication, Risky Business News, described how this has triggered a "diplomatic tug-of-war" between the US and Russia, because Russian authorities are now also seeking to extradite Kislitsin.

The US government alleges Kislitsin stole and sold information, including logins from former social media site Formspring. Kitslitsin subsequently worked for Group-IB, a cyber security company once headquartered in Russia, and is now employed by FACCT, a company that spun out of Group-IB's Russia-based operations company in April this year.

More than $922 million worth of cryptocurrency assets were stolen in the first half of 2023 across a total of 185 security incidents, blockchain security firm SlowMist reports.

The number is less than half compared to the first half of 2022, when hackers stole $2 billion worth of crypto across 187 incidents.

Almost half of the funds stolen this year were taken from NFT, DeFi, and cross-chain bridge platforms, which lost $487 million across 131 incidents.

Several Russia-based news outlets are reporting that Yevgeny Prigozhin is shutting down his Patriot media company in the aftermath of his failed mutiny at the head of the Wagner PMC last month.

The Patriot media group is a holding company for a dozen of Russian-language propaganda and fake news sites, such as RIA FAN, Politika Segodnya (Politics Today), Ekonomika Segodnya (Economics Today), Nevskiye Novosti (Nevsky News), and Narodnye Novosti (People's News). It is also the holding company for the Internet Research Agency—Russia's infamous "troll farm" linked to multiple instances of election interference across the world.

Prigozhin has allegedly fired all employees and plans to shut down all news sites. All this information comes from Patriot media group insiders, and Prigozhin has not made a formal statement or has been seen or heard from since leaving Russia for Belarus.

Authorities in Kazakhstan have decided to kick a hornet's nest and arrested Nikita Kislitsin, the top executive for Russian cybersecurity firm FACCT—the former Russian branch of Group-IB, which split from its parent company earlier this year.

Kislitsin was detained following an international arrest warrant issued by the United States. US authorities are seeking his extradition in relation to a case where he's accused of selling login credentials for Formspring accounts way back in 2012.

All of this happened on June 22. Six days later, on June 28, a Moscow court issued an arrest warrant in absentia in Kislitin's name on some mysterious hacking charge. No details provided.

SolarWinds executives have been formally warned by the US Securities and Exchange Commission that it plans to bring enforcement actions against them over the 2020 supply chain attack that involved compromise of the company's Orion software platform.

In its SEC filing this week, SolarWinds announced that "certain current and former executive officers and employees of the Company, including the Company’s Chief Financial Officer and Chief Information Security Officer received 'Wells Notices'". A Wells Notice indicates that SEC staff have recommended the commission pursue a civil enforcement action against the recipients because the SEC believes they may have broken US federal securities laws.

The filing doesn't make it exactly clear what the executives are thought to have done wrong, but SolarWinds' last quarterly report provides some clues. Back in October 2022, the company as a whole received its own Wells Notice, which alleged "violations of certain provisions of the U.S. federal securities laws with respect to our cybersecurity disclosures and public statements, as well as our internal controls and disclosure controls and procedures".

Back in 2014, a new attack named RowHammer upended the memory market and forced chip makers to rethink how they were manufacturing and what type of security features they were baking into DRAM chips.

The RowHammer attack—and all its variations—used super-fast read-write operations directed at a row of memory cells inside a DRAM chip to generate electrical disturbances that altered or corrupted data in nearby rows.

Throughout the years, chip vendors started placing memory rows at larger distances between each other and added software-level protections to detect when apps were accessing memory rows at super-high rates.

The European Union has issued its 11th package of sanctions against Russia for its invasion of Ukraine. Issued last Friday, the sanctions list was expanded with 71 individuals and 33 entities, including five Russian cybersecurity and IT companies such as Positive Technologies, NTC Vulcan, Echelon, Iteranet, and Poisk-IT.

EU officials say the companies provide IT services to support the activity of Russian intelligence services, such as developing hacking tools and data collection and analysis.

The biggest name on the list is Positive Technologies, one of Russia's largest cybersecurity companies. This is the second time the company has been sanctioned. It was also sanctioned by the US Treasury in April 2021 for providing hacking tools to the FSB and using its security conference as an FSB and GRU recruiting hub.