ビットコイン、ドル建で史上最高値更新

3 days 21 hours ago
あるAnonymous Coward 曰く、ビットコインの値上がりが止まらない。何度も暴落しては最高値を更新し続けている仮想通貨ビットコインだが、20日未明に6万6976ドルまで上昇し、史上最高値を更新したそうだ(Bloomberg)。 背景には米SECがビットコインETFを初めて承認したことで市場が好感したそうだが、実のところ、コロナ禍で各国政府が通貨を過剰供給(ばら撒いた)ことで各国通貨の信用不安が起きているのではないかと推察している。諸兄らはどう考えるだろうか。

すべて読む | セキュリティセクション | 暗号 | お金 |

関連ストーリー:
2020年、ビットコインで利益を得た国ランキング、1位アメリカ人、2位中国、3位は日本 2021年06月17日
米パイプラインのサイバー攻撃事件、FBIが身代金の大半を奪還に成功 2021年06月09日
エルサルバドル、世界で初めてビットコインを法定通貨とする法案提出へ 2021年06月07日
イーロン・マスクに振り回される暗号資産にウォール街が疑問を持ち始める 2021年05月19日
ビットコインの取引単位を「サトシ」に変更しようという提案が出る 2021年05月14日
暗号資産「Chia」のマイニング需要増加で、今度はHDDやSSDが品薄になる可能性 2021年04月21日
ビットコインが過去最高値を更新。しかし電力消費量はGoogle全体の10倍に 2021年04月15日

nagazou

JVN: OPC 製品における複数の脆弱性

4 days 1 hour ago
OPC Foundation が提供する OPC UA 製品および Unified Automation が提供する OPC UA クライアント / サーバの SDK バンドルには、複数の脆弱性が存在します。

Police Can’t Demand You Reveal Your Phone Passcode and Then Tell a Jury You Refused

4 days 3 hours ago

The Utah Supreme Court is the latest stop in EFF’s roving campaign to establish your Fifth Amendment right to refuse to provide your password to law enforcement. Yesterday, along with the ACLU, we filed an amicus brief in State v. Valdez, arguing that the constitutional privilege against self-incrimination prevents the police from forcing suspects to reveal the contents of their minds. That includes revealing a memorized passcode or directly entering the passcode to unlock a device.

In Valdez, the defendant was charged with kidnapping his ex-girlfriend after arranging a meeting under false pretenses. During his arrest, police found a cell phone in Valdez’s pocket that they wanted to search for evidence that he set up the meeting, but Valdez refused to tell them the passcode. Unlike many other cases raising these issues, however, the police didn’t bother seeking a court order to compel Valdez to reveal his passcode. Instead, during trial, the prosecution offered testimony and argument about his refusal. The defense argued that this violated the defendant’s Fifth Amendment right to remain silent, which also prevents the state from commenting on his silence. The court of appeals agreed, and now the state has appealed to the Utah Supreme Court.

As we write in the brief: 

The State cannot compel a suspect to recall and share information that exists only in his mind. The realities of the digital age only magnify the concerns that animate the Fifth Amendment’s protections. In accordance with these principles, the Court of Appeals held that communicating a memorized passcode is testimonial, and thus the State’s use at trial of Mr. Valdez’s refusal to do so violated his privilege against self-incrimination. Despite the modern technological context, this case turns on one of the most fundamental protections in our constitutional system: an accused person’s ability to exercise his Fifth Amendment rights without having his silence used against him. The Court of Appeals’ decision below rightly rejected the State’s circumvention of this protection. This Court should uphold that decision and extend that protection to all Utahns.

Protecting these fundamental rights is only more important as we also fight to keep automated surveillance that would compromise our security and privacy off our devices. We’ll await a decision on this important issue from the Utah Supreme Court.

Related Cases: Andrews v. New Jersey
Andrew Crocker